Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | HRB (Harbin) |
| Model Series | 6300, 6301, 6302, 6303, 6304 |
| Bearing Type | Deep Groove Ball Bearing |
| Seal Type | 2Z (Metal Shield) / 2RZ (Rubber Seal) |
| Material | Chrome Steel (GCr15) |
| Precision Grade | P0 (ABEC-1) |
| Cage Material | Steel Stamped Cage |
| Country of Origin | China |
| Lubrication | Pre-lubricated with Grease |
| Warranty | 6 Months Manufacturer Warranty |
Anonymous
Apr 05, 2026
Rating: 5/5
Perfect fit for my motor
Ordered the 6301-2Z for a repair project. Dimensions were spot on and the rotation is smooth. HRB is a reliable brand.
Anonymous
Mar 18, 2026
Rating: 4/5
Good quality, slow shipping
The bearings themselves are excellent quality. Packaging could be better to prevent rust during transit.
Anonymous
Mar 15, 2026
Rating: 4/5
Great value
Cheaper than local suppliers but same quality. Will buy again for future maintenance needs.
Anonymous
Mar 12, 2026
Rating: 5/5
Smooth operation
Using these in a high-speed application. No noise or heat generation after a week of continuous use.
Anonymous
Feb 27, 2026
Rating: 5/5
Genuine HRB product
Verified the markings on the bearing. These are authentic Harbin bearings, not fakes. Very happy with the purchase.
Q: What is the inner diameter of the 6302 model?
A: The 6302 model has an inner diameter of 15mm, outer diameter of 42mm, and width of 13mm.
Q: What is the difference between 2Z and 2RZ?
A: 2Z has metal shields on both sides, while 2RZ has rubber contact seals. 2RZ offers better protection against dust.
Q: Can I use these for high-temperature environments?
A: Standard grease is rated up to 120°C. For higher temps, please contact us for high-temperature grease options.
Q: Do you offer bulk discounts?
A: Yes, please contact customer service for pricing on orders exceeding 50 units.
Q: Are these bearings pre-lubricated?
A: Yes, all bearings come factory lubricated with standard grease suitable for general applications.
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