Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	Stainless Steel (AISI 440C)
Bearing Type	Deep Groove Ball Bearing
Shielding	Steel Shields (ZZ)
Available Models	6900, 6901, 6902, 6903, 6904
Precision Class	ABEC-1 / ISO Class 0
Cage Material	Steel
Lubrication	Pre-lubricated with General Purpose Grease
Inner Ring Hardness	HRC 58-62
Operating Temperature	-20°C to +120°C
Typical Applications	Motors, Robotics, Industrial Machinery

5 reviews

Anonymous

Mar 29, 2026

Rating: 5/5

Exactly as described

Needed 6904 shields for my spindle. Arrived quickly and packaged securely to prevent damage. Very satisfied.

Anonymous

Mar 25, 2026

Rating: 4/5

Good but grease is stiff

Bearings are solid quality. The pre-applied grease is a bit thick for high speed, but easy to clean and re-lube.

Anonymous

Mar 14, 2026

Rating: 5/5

High quality for the price

Using these in a custom robotic arm. No play in the bearings and they handle the load well. Will buy again.

Anonymous

Feb 06, 2026

Rating: 5/5

Reliable stock item

We order these regularly for maintenance tasks. Consistency across batches is excellent. Recommended for general use.

Anonymous

Feb 05, 2026

Rating: 5/5

Perfect replacement parts

Ordered the 6902 size for a motor repair. Fit was exact and rotation is very smooth. Great value for stainless steel.

5 FAQ

Q: Can I use these in a wet environment?

A: Yes, being stainless steel they offer good corrosion resistance, but prolonged submersion is not recommended without additional protection.

Q: What is the maximum RPM for the 6903 size?

A: Limiting speed varies by lubrication and load, but generally around 30,000 RPM for grease lubrication under light load.

Q: Do you offer bulk pricing for 100+ units?

A: Yes, please contact our sales team directly through the customer service portal for bulk order quotes.

Q: Are these bearings sealed or shielded?

A: These feature steel shields (ZZ) on both sides. They are not rubber sealed, which allows for higher speed operation.

Q: What is the internal clearance class?

A: Standard internal clearance (CN) is used for these deep groove ball bearings unless otherwise specified.

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