![[THK] — Ball Cage Type B (for Cross Roller Guide / Ball Guide)](https://prosourcemro.com/wp-content/uploads/2026/05/001-1027-1024x778.png)
Ball Cages
THK
[THK] — Ball Cage Type B (for Cross Roller Guide / Ball Guide)
Family ID: THK-BALL-CAGE-B
Ball Cage Type B for use with THK Cross Roller Guide (VR series) ball guide configuration. 8 sizes available: B1~B15, compatible with V1~V15 rails. Ball diameter range 1.0~15.081 mm. Basic dynamic load rating C_Z = 7.84~490 N per ball; static C0Z = 21.6~2160 N per ball. Specify required number of balls when ordering. Used in combination with ball guide rails per A7-26 specifications.
8 product codes available in this family
Product Codes & Specifications
| Product Code | Description | Brand | Spec | ||
|---|---|---|---|---|---|
| B1 | THK Ball Cage Type B B1, Da=1.0mm, for V1 rail | THK | Ball Diameter (Da): 1.0 mm | Cage Thickness (t): 0.2 mm | Width (B): 3.5 mm | Ball Pitch (P): 2.5 mm | Edge Distance (g): 2.0 mm | Basic Dynamic Load Rating C_Z: 7.84 N (per ball) | Basic Static Load Rating C0Z: 21.6 N (per ball) | Compatible Rail: V1 | Note: Specify required number of balls when ordering | ||
| B2 | THK Ball Cage Type B B2, Da=2.0mm, for V2 rail | THK | Ball Diameter (Da): 2.0 mm | Cage Thickness (t): 0.3 mm | Width (B): 5.0 mm | Ball Pitch (P): 4.0 mm | Edge Distance (g): 3.0 mm | Basic Dynamic Load Rating C_Z: 12.7 N (per ball) | Basic Static Load Rating C0Z: 39.2 N (per ball) | Compatible Rail: V2 | Note: Specify required number of balls when ordering | ||
| B3 | THK Ball Cage Type B B3, Da=3.0mm, for V3 rail | THK | Ball Diameter (Da): 3.0 mm | Cage Thickness (t): 0.4 mm | Width (B): 7.0 mm | Ball Pitch (P): 6.0 mm | Edge Distance (g): 4.5 mm | Basic Dynamic Load Rating C_Z: 27.5 N (per ball) | Basic Static Load Rating C0Z: 87.3 N (per ball) | Compatible Rail: V3 | Note: Specify required number of balls when ordering | ||
| B4 | THK Ball Cage Type B B4, Da=4.0mm, for V4 rail | THK | Ball Diameter (Da): 4.0 mm | Cage Thickness (t): 0.5 mm | Width (B): 9.0 mm | Ball Pitch (P): 7.0 mm | Edge Distance (g): 4.5 mm | Basic Dynamic Load Rating C_Z: 45.1 N (per ball) | Basic Static Load Rating C0Z: 155.0 N (per ball) | Compatible Rail: V4 | Note: Specify required number of balls when ordering | ||
| B6 | THK Ball Cage Type B B6, Da=6.0mm, for V6 rail | THK | Ball Diameter (Da): 6.0 mm | Cage Thickness (t): 0.6 mm | Width (B): 13.5 mm | Ball Pitch (P): 10.0 mm | Edge Distance (g): 6.0 mm | Basic Dynamic Load Rating C_Z: 98.0 N (per ball) | Basic Static Load Rating C0Z: 353.0 N (per ball) | Compatible Rail: V6 | Note: Specify required number of balls when ordering | ||
| B9 | THK Ball Cage Type B B9, Da=9.525mm, for V9 rail | THK | Ball Diameter (Da): 9.525 mm | Cage Thickness (t): 1.0 mm | Width (B): 19.0 mm | Ball Pitch (P): 14.0 mm | Edge Distance (g): 8.5 mm | Basic Dynamic Load Rating C_Z: 216.0 N (per ball) | Basic Static Load Rating C0Z: 784.0 N (per ball) | Compatible Rail: V9 | Note: Specify required number of balls when ordering | ||
| B12 | THK Ball Cage Type B B12, Da=11.906mm, for V12 rail | THK | Ball Diameter (Da): 11.906 mm | Cage Thickness (t): 1.0 mm | Width (B): 25.0 mm | Ball Pitch (P): 20.0 mm | Edge Distance (g): 12.5 mm | Basic Dynamic Load Rating C_Z: 324.0 N (per ball) | Basic Static Load Rating C0Z: 1420.0 N (per ball) | Compatible Rail: V12 | Note: Specify required number of balls when ordering | ||
| B15 | THK Ball Cage Type B B15, Da=15.081mm, for V15 rail | THK | Ball Diameter (Da): 15.081 mm | Cage Thickness (t): 1.2 mm | Width (B): 31.0 mm | Ball Pitch (P): 25.0 mm | Edge Distance (g): 15.0 mm | Basic Dynamic Load Rating C_Z: 490.0 N (per ball) | Basic Static Load Rating C0Z: 2160.0 N (per ball) | Compatible Rail: V15 | Note: Specify required number of balls when ordering |
