Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand	HRB Harbin
Model Series	6300 Deep Groove Ball Bearing
Material	Chrome Steel (GCr15)
Seal Type	Open, ZZ, or 2RS Available
Precision Grade	P0 (ABEC-1)
Cage Material	Steel Stamped
Country of Origin	China
Lubrication	Pre-greased
Load Type	Radial and Axial
Warranty	12 Months Limited

5 reviews

Anonymous

Mar 26, 2026

Rating: 4/5

Good quality, slow shipping

The bearing itself is perfect and handles high loads well. Only giving 4 stars because shipping took longer than expected.

Anonymous

Mar 13, 2026

Rating: 5/5

Standard for our repairs

We order these in bulk for client machinery. Consistent quality across the 6300 series. Reliable supplier for industrial needs.

Anonymous

Mar 10, 2026

Rating: 5/5

Excellent replacement bearing

Used the 6305 model for my electric motor repair. Fits perfectly and runs smoothly without any noise. Genuine HRB quality is evident.

Anonymous

Mar 09, 2026

Rating: 5/5

Smooth and quiet

Replaced the noisy 6308 in my compressor. The difference is night and day. Highly recommend for anyone needing durable bearings.

Anonymous

Feb 15, 2026

Rating: 5/5

Genuine product verified

I was worried about counterfeits but checked the laser marking and packaging. Everything matches official HRB specifications. Very satisfied.

5 FAQ

Q: Is there a maximum RPM rating for these?

A: Limiting speed varies by specific model and lubrication. Please refer to the technical datasheet for the specific 6300 series number.

Q: Does it come pre-lubricated with grease?

A: Yes, standard models come pre-filled with high-quality grease suitable for general industrial applications.

Q: Can I return if I order the wrong size?

A: Yes, unused items in original packaging can be returned within 30 days. Please contact customer service for a return label.

Q: Are these genuine HRB bearings?

A: Yes, all our bearings are sourced directly from authorized HRB Harbin distributors and come with verification markings.

Q: What are the dimensions for the 6307 model?

A: The 6307 bearing has an inner diameter of 35mm, outer diameter of 80mm, and a width of 21mm.

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