Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Bearing Type	Deep-Groove Ball Bearing
Model Numbers	6307, 6308, 6309, 6310, 6311, 6312
Seal Type	ZZ (Metal Shield) or RS (Rubber Seal)
Material	High-Carbon Chrome Steel
Precision Class	ABEC-1 (ISO P0)
Cage Material	Stamped Steel
Dynamic Load Capacity	Varies by Model (See Specification Sheet)
Static Load Capacity	Varies by Model (See Specification Sheet)
Limiting Speed	Dependent on Lubrication and Seal Type
Package Contents	Individual Boxed Bearing

5 reviews

Anonymous

Mar 03, 2026

Rating: 5/5

Great replacement parts

Ordered the 6310 RS for my electric motor. Fit was precise and installation was easy.

Anonymous

Feb 24, 2026

Rating: 5/5

Exactly as described

The ZZ shields are sturdy. Good lubrication included from the factory.

Anonymous

Feb 14, 2026

Rating: 5/5

Excellent smoothness

The 6308 high-speed bearing works perfectly in my router. Very quiet operation.

Anonymous

Jan 29, 2026

Rating: 4/5

Good quality import

Solid build quality. Took a week to arrive but worth the wait for the price point.

Anonymous

Jan 26, 2026

Rating: 5/5

Reliable for industrial use

We use these for conveyor maintenance. No failures so far after 3 months of operation.

5 FAQ

Q: Are these bearings pre-lubricated?

A: Yes, all bearings come pre-lubricated with standard grease suitable for general applications.

Q: What is the difference between ZZ and RS seals?

A: ZZ uses metal shields for lower friction and higher speeds. RS uses rubber seals for better protection against dust and moisture.

Q: Is the 6308 suitable for high RPM applications?

A: Yes, the 6308 model in this collection is specifically rated for high-speed operations up to specified limits.

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

A: Yes, unused bearings in original packaging can be returned within 30 days of purchase.

Q: Do you sell these in bulk packs?

A: Please contact our sales team directly for bulk pricing on orders over 50 units.

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