Miniature profiled rail guides / wide rail / large carriage / material selectable

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Lead Time Reduction

Wide Block Type of MISUMI original specifications. Larger screw size has enhanced fastening strength compared to standard products.

Order quantities extended (D-JIT)

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Technical Information

Back to the Category Linear Rail Guides / Profile Rail Guides

Technical Drawing - Linear Rail Guides / Profile Rail Guides

H9·12·14	H16

[!] For L Dimension Configurable Type, G dimensions differ from those shown in the table below.

[!] Blocks and rails cannot be purchased separately.

Available dimensions and tolerances can be found under the tab More Information .

Basic Properties (e.g., material, hardness, coating, tolerance) - Linear Rail Guides / Profile Rail Guides

Material (Hardness)	Rail Length Type 1	Number of Blocks	Preload/Accuracy A	Height (H) B	Grease C
			Light Preload
			High Grade
Stainless Steel [EN 1.4125 Equiv.] (56HRC or more)	Standard length (Selectable)	1	SSELBWM	9 12 14 16	Blank: Standard G: Grease G L: Grease L Y: Grease Y
	Standard length (Selectable)	2	SSEL2BWM
	1 mm increments (Dimension Configurable)	1	SSELBWML
	1 mm increments (Dimension Configurable)	2	SSEL2BWML

1If the desired rail length is not available in the standard length (selectable), please specify the length in 1 mm increments (dimension configurable).

!Blocks and rails cannot be purchased separately.

!Heat resistance temperature is -20 to 80°C.

Further specifications can be found under the tab More Information .

More Information - Linear Rail Guides / Profile Rail Guides

■Precautions for Use
Blocks are equipped with retainers (wire) to prevent balls from falling off.
For how to handle the blocks, see >>P.525.
Radial clearances and accuracies are not guaranteed if the blocks and rails are interchanged from the original set combinations.
Straight grooves are provided on datum planes.
Be sure to match the datum lines when using.
Rails cannot be connected end to end.
The accuracy of Linear Guides is guaranteed after mounting the rail (after fastening screws on the rail and pushing it onto the datum plane).
Minor bending of the rail will be adjusted after being mounted and will not affect the performance.

■Accessory
• H6 comes with Number 0, Class 1 Phillips button head screws (M2x6).
• H8 comes with cap screws (M2x6).

■Others
• Filled with Lithium soap based grease (Multemp Grease PS2 by Kyodo Yushi Co., Ltd. ).
• For operating life calculation, see >>P.527.
• For operating life calculations, use our free calculation software from http://download.misumi.jp/mol/fa_soft.html.
• The MX type is greased with a lithium complex grease (TOUGHLIX GREASE MP2, made by JXTG Nippon Oil & Energy Corporation).

Composition of a Product Code - Linear Rail Guides / Profile Rail Guides

Part Number Configuration

Example: [Rail Length Type] 1 mm increments, [Number of Blocks] 2, [Accuracy/Preload] Light Preload, High Grade, [Height] 12, [Grease] Standard Grease

SSEL2BWML	12		—	271	—	(MC)
A	B	C
Type (Part Number)				Rail Length (L)		(Alterations)

Alterations - Linear Rail Guides / Profile Rail Guides

Code

Alterations

Specifications

Notes

Change rail counterbore holes to tapped holes

·Changes the guide rail mounting holes from counterbored holes to tapped holes.

! Not applicable for H dim. 9 ≥ 291, H dim. 12 ≥ 291, H dim. 14 ≥ 471 or H dim.16 ≥ 671
! See the table below for the tapped hole dimensions after change.

Dimension H	Tapped Hole Dimensions
9	M4
12	M4
14	M5
16	M5

LLC
RLC

LLC: Left End Cut
RLC: Right End Cut

·Cuts rail ends.
·Rails are cut with the engraved side as front (datum plane as back).
(as shown in the image on the left)
·Please refer to the table below for the length of the rail to be cut.

Dimension H	L Cut	N
9	5	5
12
14		10
16

!The overall length will be shortened by the amount of cutting.
Example: The L dimension of SSELBWM12-80-LLC is 75 mm.

Here to the Overview of Options as PDF.

General Information - Linear Rail Guides / Profile Rail Guides

Selection details of profile rail guides with rolling elements

- Material: steel, stainless steel

- Coatings: uncoated, LTBC coated

- Hardness: up to ~58HRC

- Precision classes: standard class, high quality, precision class

- Mounting height: 6 mm to 45 mm

- Guide rail width: 5 mm to 42 mm

- Guide rail length: 25 mm to 1960 mm

- Pretension: slight play, slight pretension

- Guide carriage versions: short, wide, wide and long, long, extra long

Description/Basics

A profile rail guide is a commonly used rolling linear guide in mechanical engineering.
The advantages of this linear guide are its rigidity, carrying capacity, running accuracy and precision. The ball-bearing guide carriage (block/carriage) allows a limitless stroke over the length of the linear guide rail. Compared to linear guides guided against rollers, the balls in the guide carriage enable the achievement of high speeds.
The linear guide rail and guide carriage are precisely coordinated and enable a high running accuracy for highly precise applications. It is therefore recommended purchasing the profile rail guide as a set for precise applications, as these are tested together for accuracy and precision.
The profile rails are available in the MISUMI online shop in standardized lengths or configurable in 1 mm increments. The various additional options expand the versatility and possible applications.

Useful Life

After determining the permissible load, the useful life of a profile rail guide must be calculated depending on the application. This not only depends on the applied load, torque and lubrication, but also on many other factors. In the following link you will find the useful life calculation and design of profile rail guides.

Note: MISUMI linear guides are coated with lubricants to protect them from oxidation during transport.

Maintenance

Lubricate the linear guide/lubrication intervals

To reduce friction and wear, linear guides such as the profile rail guides should be lubricated regularly. The lubrication interval varies depending on the application and ambient condition, as this depends on many factors. The general recommended lubrication intervals of the profile rail guides are in the range of approx. 6 months. For long strokes, the lubrication intervals are reduced to approx. 3 months or every 1000 km. Here, too, it is recommended to check the lubrication performance initially at shorter intervals and to adjust it to the existing operating conditions. Too much lubricant should not be introduced into the linear guide, as too much lubricant can lead to increased resistance and damage.
For smaller profile rail guides, such as miniature linear guides, the linear guide can be lubricated over the linear rail. For this purpose, the lubricant can be applied to the running surfaces of the linear rail.
Structurally larger profile rail guides have a grease nipple to get the lubricant to the necessary areas.

Alternative lubricants

The MISUMI linear guides are pre-greased with the lubricant. As a standard, the profile rail guides are filled with lithium soap grease. The Multemp lubricant PS2 (from Kyodo Yushi Co. Ltd) is applied in the miniature profile rail guides. Profile rail guides for medium and heavy loads are pre-greased with Alvania Grease S2 (from Showa Shell Sekiyu K.K.). Alternatively, an alternative grease filling may be selected for the linear guide. For this purpose, a heat-resistant grease (L) and cleanroom-compatible grease (G) are available.

Lubricant	Designation	Property
L	ET-100K (Kyodo Yushi)	Heat and oxidation resistance, as well as high adhesion and cohesion strength. Low spray and leak probability
G	LG2 (NSK Ltd.)	Cleanroom-compatible special lubricant for linear guides, ball screw, etc.

Table showing the alternative lubricants

Lubrication unit (MX)

Another variant is the profile rail guide with lubrication unit (MX). The lubrication unit extends the lubrication intervals by supplying lubricant at the ends of the linear guide carriage. This means that not only the lubrication effort, but also the maintenance costs, can be reduced. The lubrication units are filled with lithium soap grease as standard.

Profile rail guide with lubrication unit (MX)

Function

(1) Dust seal, (2) ball circulation, (3) guide carriage, (4) profile rail, (5) ball cage (wire), (6) ball

In principle, the profile rail guide is provided with a ball bearing, which guides the balls back to the profile rail in a circular manner during the movement loop (closed system). As a result, this linear guide is not subject to any real stroke limit, except for the length of the guide rail used. The compact miniature profile rail guides have two ball revolving movements, the balls of which have contact at four points for the load suspension. Heavy duty and medium duty linear guides have four ball recirculations, each with contact at two points in X or O alignment. Lateral seals prevent dirt particles from penetrating, which protect the balls from heavy wear. A wire (ball cage) within the guide carriage makes it difficult for balls to fall out. This is essential for the function of the linear guide.

Areas of Application

MISUMI profile rail guides can be used in almost all linear movement applications.
As opposed to other linear systems, the profile rail guide can absorb moments in different directions. This ensures rigidity in an application. Precision and running accuracy ensure precise guidance and movement. The profile rail guide can often be found in 3D printers, hoisting mechanisms, measuring devices, and positioning jigs. The linear guide is often used in conjunction with ball screw to achieve high positioning accuracy. MISUMI offers an additional option for the profile rail guide for parallel use [WC ], which sets the height difference to 15 μm under the rail pair.
The compact design also allows these linear guides to be used in confined spaces.

Materials

The MISUMI miniature rail guides are available in stainless steel. Heavy-duty and medium-duty linear guides can be configured in steel and stainless steel.

Coatings

The profile rail guides are uncoated and available with an LTBC plating. The LTBC plating consists of a durable anodized fluoropolymer layer applied to the linear rail and guide carriage. It is resistant to flaking and offers good protection against corrosion.

Dimensions

Precision standards

The precision standards such as standard class, high quality and precision class describe the dimensional manufacturing accuracy of the linear guides. More detailed information can be found under the tab Additional Information

Information about running parallelism and dimensional accuracy can be found in this link.

Instructions for Use / Installation Information - Linear Rail Guides / Profile Rail Guides

Instructions for use

Since the ball loop is completely run through in a certain stroke length, continuous short strokes are not recommended due to the distribution of the lubricant. With short strokes of the guide carriage, punctual wear may occur on the linear guide rail and balls as well as the linear guide can fail. In order for the lubricant to distribute evenly, sufficient stroke should be ensured when using a profile rail guide.
The profile rail guides can be used in all orientations (levels). When replacing a guide carriage with a new one, it is recommended that the guide carriage be pushed against the profile rail carefully against the transport rail end. For pre-stressed linear guides, the removal of the guide carriage is generally not recommended, since balls can fall out of the guide carriage when reassembled.

It should be noted that the profile rail guide should not bump. This may damage the balls in the guide carriage, impair function and ultimately lead to component failure.

In general, it is not recommended to remove the guide carriage from the profile rail. If the guide carriage has to be removed from the guide rail, it is recommended to reverse the profile rail guide. This reduces the risk of balls falling should become loose. Slowly push the guide carriage (sled) off the profile rail. When replacing the guide carriage, push the profile rail straight and carefully into the guide carriage. If the linear rail is inserted at an angle, balls can fall out of the guide carriage and damage the plastic cage.

Installation Information

Reference surface of the profile rail guide

Miniature linear guide	Medium and heavy duty linear guide
Standard and C-value	Standard linear guide	Standard with plastic ball cage	C-value

Table showing the reference surfaces for linear guides: (1) reference surface marking, (2) reference surface (polished surface)

The MISUMI profile rail guides are provided with reference surface markings for assembly. These are used for the alignment of the linear guides and as an indicator for the precisely manufactured reference surfaces. The reference surfaces serve as a reference for the contact surface of the base plate for the linear guide rail. Prior to assembly, the respective contact surfaces of the profile rail and base plate should be cleaned of any contamination.

Fixation of the linear guide rail and guide carriage

(1) Assembly with pusher plates, (2) assembly with tapered machine keys, (3) assembly with rail pusher plates

For high precision applications and applications for loads as well as vibrations and impact, additional clamping against the reference surface is recommended. This can be achieved with pusher plates (1) on the guide carriage and guide rail. Another variant is clamping via tapered machine keys (2), which hold the linear rail and linear guide carriage in position via a spreading process. For long guide rails, rail pusher plates (3), which clamp and hold the profile rail to the reference surface of the base plate.

For more information, see the Installation and Maintenance available as PDF

Adjustment without base plate stopper

- Position the profile rail on the base plate and fasten it temporarily with the screws (Fig. 1)
- Place ruler with dial gauge parallel to linear rail.
- Hand-tighten screws and perform the measuring process with the dial gauge and set parallelism.
- Tighten screws to the recommended torque and fasten profile rail.
- Like the first linear rail, the second linear rail can be adjusted using a ruler. However, the probability of high parallelism increases when the dial gauge is attached to the already mounted profile rail for measurement and adjustment. (Fig. 2)

(1) Adjustment of first profile rail guide, (2) adjustment of second profile rail guide

For more information, see the Installation and Maintenance available as PDF

Application Examples - Linear Rail Guides / Profile Rail Guides

Application example – linear guide as hoisting device with crank

Application example – linear guide press

Application example - positioning with air cylinder

Application example – profile rail guide as XY coordinate stage

Application example – linear guide with gripper

Application example – profile rail guide with timing belt

Supplementary Article

Screws/bolts

Linear guides (accessory)

Ball screws

Dowel pins/spring pins/stepped pins

Profile rail guide (special versions)

Industrial Applications

3D printer industry

Automotive industry

Pharmaceutical industry

Packaging industry

Part Number:

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Part Number
SSEL2BWMLZ12G-[111-619/1]
SSEL2BWMLZ12L-[111-619/1]
SSEL2BWMLZ14G-[151-989/1]
SSEL2BWMLZ14L-[151-989/1]
SSEL2BWMLZ16G-[191-989/1]
SSEL2BWMLZ16L-[191-989/1]

Minimum order quantity	Standard Shipping Days ?	RoHS	Set / Single Item	Rail Width W1 (mm)	Assembly Height H (mm)	No. of Blocks	Rail Length L (mm)	Preload	Accuracy Standards	Nominal Part Number	Basic Load Rating: Dynamic Load (N)	Basic Load Rating: Static Load (N)	Allowable Static Moment MA (Nm)	Allowable Static Moment MB (Nm)	Allowable Static Moment MC (Nm)	Grease Type	L Dimension Type	Surface Treatment	Nominal Part Number	Block Mounting Hole Pitch (Width Direction) (mm)	Block Mounting Hole Pitch (Longitudinal Direction) (mm)	Block Mounting Hole (Diameter)	Rail Mounting Hole (Pitch) (mm)	Rail Mounting Hole (Diameter)
1	9 Days	-	Set	18	12	2	111 ～ 619	[Clearance] Interchangeable, Slight Clearance	Standard Grade	9W	2600	5300	20.2	20.2	49.5	Low Dust Generation Grease (G type, manufactured by NSK Ltd.)	Configurable Type	N/A	9W	33	24	M4	30	3.5
1	9 Days	-	Set	18	12	2	111 ～ 619	[Clearance] Interchangeable, Slight Clearance	Standard Grade	9W	2600	5300	20.2	20.2	49.5	Long Life Grease (L Type)	Configurable Type	N/A	9W	33	24	M4	30	3.5
1	9 Days	-	Set	24	14	2	151 ～ 989	[Clearance] Interchangeable, Slight Clearance	Standard Grade	12W	3900	8500	38.6	38.6	104.6	Low Dust Generation Grease (G type, manufactured by NSK Ltd.)	Configurable Type	N/A	12W	44	28	M4	40	4.5
1	9 Days	-	Set	24	14	2	151 ～ 989	[Clearance] Interchangeable, Slight Clearance	Standard Grade	12W	3900	8500	38.6	38.6	104.6	Long Life Grease (L Type)	Configurable Type	N/A	12W	44	28	M4	40	4.5
1	9 Days	-	Set	42	16	2	191 ～ 989	[Clearance] Interchangeable, Slight Clearance	Standard Grade	15W	7200	14300	86.0	86.0	305.2	Low Dust Generation Grease (G type, manufactured by NSK Ltd.)	Configurable Type	N/A	15W	65	35	M5	40	4.5
1	9 Days	-	Set	42	16	2	191 ～ 989	[Clearance] Interchangeable, Slight Clearance	Standard Grade	15W	7200	14300	86.0	86.0	305.2	Long Life Grease (L Type)	Configurable Type	N/A	15W	65	35	M5	40	4.5

Back to the Category Linear Rail Guides / Profile Rail Guides

Technical Drawing - Linear Rail Guides / Profile Rail Guides

H9·12·14	H16

[!] For L Dimension Configurable Type, G dimensions differ from those shown in the table below.

[!] Blocks and rails cannot be purchased separately.

Specification Tables - Linear Rail Guides / Profile Rail Guides

Specification Table

Part Number			L 2	Block Dimensions								Rail Dimensions
Type		H		W	L₁	B	C	S	L₂	K	Cb	W₁	W₂	H₁	Ca	Counterbored Hole	F	G 3
1 Block	2 blocks	H		W	L₁	B	C	S	L₂	K	Cb	W₁	W₂	H₁	Ca	d₁ × d₂ × h	F	G 3
SSELBWM SSELBWML SSELBWMZ SSELBWMLZ RSELBWM RSELBWML	SSEL2BWM SSEL2BWML SSEL2BWMZ SSEL2BWMLZ RSEL2BWM RSEL2BWML	9	80 to 380 (110)	36	43.5	29	19	M4	32.5	7	0.3	14	11	5.2	0.5	3.5 × 6 × 3.2	30	10
		12	80 to 620 (110)	40	51.6	33	24	M4	40.6	9	0.3	18	11	7.5	0.5	3.5 × 6 × 4.5	30	10
		14	110 to 990 (150)	51	61.6	44	28	M4	47.4	11	0.5	24	13.5	8	0.5	4.5 × 8 × 4.5	40	15
		16	110 to 990 (190)	74	74.9	65	35	M5	59.9	13	0.5	42	16	9.5	0.5	4.5 × 8 × 4.5	40	15

2Dimensions in ( ) are for 2 Block Type.

3For L Dimension Configurable Types, both ends of the rail are evenly cut. G dim. resulting from this cutting process will differ from those indicated on the above table.

!Correctly match the datum planes (the side with the straight grooves) of both the rail and block.

Standard Rail Length (Selectable) List

The table below lists the standard rail lengths for each size. Please select the rail length from here.
Lengths not listed in the table below can be custom specified in 1 mm increments.

Height	Rail Length
(H)	(L)
9	(80)	110	140	170	200	230	260	290	320	350	380
12	(80)	110	140	170	200	230	260	290	320	350	380	410	440	470	500	530	560	590	620
14	(110)	150	190	230	270	310	350	390	430	470	510	550	590	630	670	710	750	790	830	870	910	950	990
16	(110)	(150)	190	230	270	310	350	390	430	470	510	550	590	630	670	710	750	790	830	870	910	950	990

! The dimensions in ( ) are not available for the standard 2-block type.

Basic Load Rating / Allowable Static Moment / Mass

kgf = N × 0.101972

Height (H)	Basic Load Rating 4		Allowable Static Moment						Mass
	C (Dynamic) kN	Co (Static) kN	Block 1 pc.			Block 2 pcs. in close contact 5			Block kg	Guide Rail kg/m
	C (Dynamic) kN	Co (Static) kN	M_A N⋅m	M_B N⋅m	M_C N⋅m	M_A N⋅m	M_B N⋅m	M_C N⋅m	Block kg	Guide Rail kg/m
9	1.7	4.0	12.1	12.1	28.8	32.2	32.2	57.6	0.05	0.50
12	2.6	5.3	20.2	20.2	49.5	62.0	62.0	99.0	0.09	0.96
14	3.9	8.5	38.6	38.6	104.6	103.8	103.8	209.2	0.16	1.40
16	7.2	14.3	86.0	86.0	305.2	228.3	228.3	610.4	0.3	2.95

4The basic load rating is the same for all four directions (radial, reverse-radial, and lateral directions) relating to blocks. Can be used in any orientation.

5The allowable static moment when two blocks are in close contact is not a guaranteed value but a reference value.

The guideline for the allowable load and allowable moment of the linear guide is the value obtained by dividing each value (above table) by the static safety factor fs (below table).
Example: Allowable load (kN) for H12 under normal driving conditions: 5.3/2 = 2.65 (Approx. 271 kg)

Static Safety Factor (Lower Limits of fs)

Condition of Use	Lower Limits of fs
For normal operating condition	1 to 2
When smooth running performance is required	2 to 4
When there is vibration or impact	3 to 5

Allowable Load (N) ≤ Co/fs
Allowable Moment (N⋅m) ≤ (M_A, M_B, M_C)/fs

fs: Static Safety Factor Co: Basic Static Load Rating
M_A, M_B, M_C: Allowable Static Moment (N⋅m)

Alterations - Linear Rail Guides / Profile Rail Guides

Code

Alterations

Specifications

Notes

Change rail counterbore holes to tapped holes

·Changes the guide rail mounting holes from counterbored holes to tapped holes.

! Not applicable for H dim. 9 ≥ 291, H dim. 12 ≥ 291, H dim. 14 ≥ 471 or H dim.16 ≥ 671
! See the table below for the tapped hole dimensions after change.

Dimension H	Tapped Hole Dimensions
9	M4
12	M4
14	M5
16	M5

LLC
RLC

LLC: Left End Cut
RLC: Right End Cut

·Cuts rail ends.
·Rails are cut with the engraved side as front (datum plane as back).
(as shown in the image on the left)
·Please refer to the table below for the length of the rail to be cut.

Dimension H	L Cut	N
9	5	5
12
14		10
16

!The overall length will be shortened by the amount of cutting.
Example: The L dimension of SSELBWM12-80-LLC is 75 mm.

Here to the Overview of Options as PDF.

More Information - Linear Rail Guides / Profile Rail Guides

kgf = N × 0.101972

H	Basic Load Rating		Allowable Static Moment			Mass
H	C (Dynamic) kN	Co (Static) kN	M_A N⋅m	M_B N⋅m	M_C N⋅m	Block kg	Guide Rail kg/m
9	1.7	4.0	12.1	12.1	28.8	0.05	0.50
12	2.6	5.3	20.2	20.2	49.5	0.09	0.96
14	3.9	8.5	38.6	38.6	104.6	0.16	1.40
16	7.2	14.3	86.0	86.0	305.2	0.3	2.95

■Preload and Accuracy Standards

Unit: µm

Specifications	Light Preload High Grade	Slight Clearance, Standard Grade
Radial Clearance	−3 to 0	0 to +15
Height H Tolerance	±20	±20
Pair Variation of Height H	15	40
Width W₂ Tolerance	±25	±25
Pair Variation of Width W₂	20	40

■Options for Linear Guides

Position Retaining Parts			Block/Rail Fixing Parts
			■Rail Push Plates


Rail Height Adjusting Blocks
			■Linear Locks


Block Derailment Prevention Parts
■Stopper Bolts			■Linear Guide Lock Units

■ Precautions for Use
[!]Blocks are equipped with retainers (wires) to prevent the balls from derailing.
[!]Straight grooves are provided on datum planes.
Be sure to match the datum planes for use.
[!]Rails cannot be connected end to end.
[!]The accuracy of Linear Guide is guaranteed after mounting the rail (after fastening screws on the rail and pushing it onto the datum plane).

Minor bending of the rail will be adjusted by being secured and will not affect the performance.
■Others
·Filled with lithium soap based grease (Multemp Grease PS2 by KYODO YUSHI Co., Ltd.).

- Installation Examples -
Conventional Type		Wide Block Type

		* One size larger screws 　Enhanced assembly and fastening strength.

Products homepage

Basic information

Block Type	Wide Long Block	Rail Type	Wide Rail	Material	Stainless Steel
Ball Arrangement	Miniature Type	Retainer	Not Provided	Lubrication Type	Not Provided
Rolling Element	Balls

Configure

6Suggestion of an applicable part number.

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The part number is completed.

Basic Attributes

Set / Single Item
- Set
Clear
Rail Width W1(mm)
14

18

24

42
Clear
Assembly Height H(mm)
9

12

14

16
Clear
No. of Blocks
- 1
- 2
Clear
Rail Length L(mm)
80

110

150

190

230

260

270

290

310

350

390

430

470

590

670
[111-989/1mm Unit(s)]
Clear
Accuracy Standards
- Standard Grade
- High Grade
Clear
Nominal Part Number
7W

9W

12W

15W
Clear
Grease Type
- Heat Resistant Grease (L Type)
- Lithium Soap Base Grease filled
- Long Life Grease (L Type)
- Low Dust Generation Grease (G Type)
- Low Dust Generation Grease (G type, manufactured by NSK Ltd.)
- Low Dust Generation Grease (Y type, manufactured by THK Co., Ltd.)
Clear
L Dimension Type
- Configurable Type
- Selectable Type
Clear
Surface Treatment
- Low Temperature Black Chrome Plating
- N/A
Clear
Nominal Part Number
- 7W
- 9W
- 12W
- 15W
Clear
Block Mounting Hole Pitch (Width Direction)(mm)
29

33

44

65
Clear
Block Mounting Hole Pitch (Longitudinal Direction)(mm)
19

24

28

35
Clear
Block Mounting Hole (Diameter)
- M4
- M5
Clear
Rail Mounting Hole (Pitch)(mm)
- 30
- 40
Clear
Rail Mounting Hole (Diameter)
- 3.5
- 4.5
Clear
Type
- RSEL2BWM
- RSEL2BWML
- RSELBWM
- RSELBWML
- SSEL2BWM
- SSEL2BWML
- SSEL2BWMLZ
- SSELBWM
- SSELBWML
- SSELBWMZ
Clear
Preload
- Light Preload
  - Light Preload
- Clearance
  - Interchangeable, Slight Clearance
Clear
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