Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Composition | Silicon Nitride Ceramic Balls / Stainless Steel Races |
| Country of Origin | Japan |
| Compatible Models | KTF1034, 1134, 1144, 834, 733, 593, 1054 |
| Precision Class | ABEC-7 / ISO P4 |
| Seal Type | Double Shielded (ZZ) |
| Cage Material | High-Grade PEEK Polymer |
| Lubrication | Pre-lubricated with High-Speed Synthetic Grease |
| Max Operating Speed | 18,000 RPM |
| Dynamic Load Rating | 12.5 kN |
| Warranty Period | 12 Months Manufacturer Warranty |
Anonymous
Mar 25, 2026
Rating: 5/5
Genuine Japan quality
Packaging was secure and authentic. These bearings feel much more precise than the domestic alternatives I used previously.
Anonymous
Mar 23, 2026
Rating: 5/5
Exceptional smoothness
Installed these on my CNC spindle. The reduction in vibration is noticeable immediately. Very quiet operation even at high speeds.
Anonymous
Mar 19, 2026
Rating: 5/5
Long lasting durability
Been running for 6 months without failure. Reduced maintenance intervals significantly. Highly recommend for heavy usage.
Anonymous
Feb 27, 2026
Rating: 4/5
Good but pricey
Performance is excellent and heat generation is low. The only downside is the cost, but you get what you pay for in precision.
Anonymous
Feb 25, 2026
Rating: 5/5
Perfect fit for KTF1134
Dimensions matched the specs exactly. No modification needed during installation. Will order again for our other machines.
Q: Are these full ceramic or hybrid bearings?
A: We offer both options. Please select the specific variant (Full-Ceramic or Hybrid) at checkout based on your requirement.
Q: Is grease pre-applied or do I need to lubricate?
A: They come pre-lubricated with high-speed synthetic grease. No additional lubrication is needed upon installation.
Q: What is the maximum temperature these can handle?
A: Ceramic bearings handle heat better than steel, suitable for continuous operation up to 150°C.
Q: Do these require a break-in period?
A: Yes, we recommend running at 50% load for the first hour to allow the lubricant to distribute evenly.
Q: What is the return policy if the size is wrong?
A: Returns are accepted within 30 days if the item is unused and in the original packaging.
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