Anonymous
Apr 11, 2026
Rating: 5/5
High speed application
Using these in a high RPM spindle. The C3 clearance handles the heat expansion well. No noise.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | NSK |
| Model Series | 6309 - 6315 |
| Material | High Carbon Chrome Steel |
| Seal Type | Metal Shield (ZZ) |
| Internal Clearance | C3 |
| Country of Origin | Japan |
| Precision Class | P0 (ABEC-1) |
| Cage Material | Pressed Steel |
| Lubrication | Pre-lubricated with Grease |
| Warranty | 6 Months Supplier Warranty |
Anonymous
Apr 11, 2026
Rating: 5/5
High speed application
Using these in a high RPM spindle. The C3 clearance handles the heat expansion well. No noise.
Anonymous
Mar 18, 2026
Rating: 4/5
Good quality, slow shipping
The bearings themselves are top notch NSK quality. Shipping took a bit longer than expected but worth the wait.
Anonymous
Feb 27, 2026
Rating: 5/5
Perfect fit for industrial motor
Ordered the 6312 ZZ C3. Fits exactly as specified. Genuine NSK packaging and markings. Very smooth rotation.
Anonymous
Feb 15, 2026
Rating: 5/5
Reliable supplier
Third time ordering from this seller. Bearings are always authentic and well packaged to prevent rust.
Anonymous
Feb 11, 2026
Rating: 5/5
Genuine Japanese Import
Verified the serial codes on the NSK website. These are the real deal. Much better than generic alternatives.
Q: Do these come with original packaging?
A: Yes, all bearings arrive in sealed NSK original boxes.
Q: Can I use these for electric motor applications?
A: Yes, the 6300 series ZZ C3 is commonly used in electric motors.
Q: What is the maximum operating temperature?
A: Standard grease allows operation up to 120 degrees Celsius continuously.
Q: Is bulk pricing available for 100 units?
A: Please contact our sales team directly for bulk order discounts.
Q: Are these bearings made in Japan or China?
A: These are imported directly from NSK Japan facilities.