Attributes

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

5 reviews

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.

5 FAQ

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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