Precision Rotary Ball Screw Large Lead Rotary nut Model BLR Model BLR
The Rotary Ball Screw is a rotary-nut ball screw unit that has an integrated structure consisting of a ball screw nut and a support bearing. The support bearing is an angular bearing that has a contact angle of 60･, contains an increased number of balls and achieves large axial rigidity.
Model BLR is divided into two types: Precision Ball Screw and Rolled Screw Ball.
DN value : 70000
Screwshaftdiameter(mm) :
16,20,25,32,36,40,50
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| Products | Contents |
|---|---|
| LM Guide | LM rail standard lengths and maximum length, tapped-hole type LM rail, frame for LM rail clamps, steel plate for LM rail clamps, etc. |
| Ball Screw | Axial clearance, maximum manufacturing length of shaft, etc. |
| Actuator | Movable part mass, etc. |
Optional
Contamination Protection
- Contamination Protection Seal for Ball Screws Labyrinth seal
- Contamination Protection Seal for Ball Screws Brush seal
- Wiper Ring
- Canvas seal
- Thin Film Seal
- Dust Cover for Ball Screws
Lubrication
- QZ Lubricator
Rustprevention
- Surface Treatment
Other
- Dimensions of Each Model with an Option Attached
- Additional Machining for Shaft Ends
Display result
- Detailed information
- Dimensional drawing/Dimensional table
- Optional
Detailed information
Dimensional drawing/Dimensional table
Model number coding
(*1) See Flange orientation symbol
(*2) See UU: Seal attached on both ends No symbol: Without seal.
(*3) See Axial Clearance
(*4) See Accuracy of the Ball Screw
THK Online Services
Member-Exclusive Content
These contents can be accessed
after registering as a member.
Benefit 1: Useful features
-
Easy product comparisonsHighlight feature
-
Save items for laterreview Favorites feature
Benefit 2: Exclusive content
| Products | Contents |
|---|---|
| LM Guide | LM rail standard lengths and maximum length, tapped-hole type LM rail, frame for LM rail clamps, steel plate for LM rail clamps, etc. |
| Ball Screw | Axial clearance, maximum manufacturing length of shaft, etc. |
| Actuator | Movable part mass, etc. |
Optional
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You can download 2D/3D CAD by clicking on the icon and selecting from the CAD format.
| Model No. | Designer* | Life Calculator* | CAD Download* |
Catalog Download |
Manual Download |
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| BLR 1616-3.6 |
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| BLR 2020-3.6 |
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| BLR 2525-3.6 |
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| BLR 3232-3.6 |
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| BLR 3636-3.6 |
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| BLR 4040-3.6 |
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| BLR 5050-3.6 |
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