Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	Stainless Steel
Steel Grade	AISI 304
Bearing Series	6900 Deep Groove
Seal Type	2RS Rubber Seal
Precision Class	ABEC-5 (P5)
Cage Material	Steel Retainer
Lubrication	Food Grade Grease
Operating Temperature	-20°C to 120°C
Dynamic Load	Varies by Model
Country of Origin	Imported

5 reviews

Anonymous

Apr 06, 2026

Rating: 5/5

Exactly as described

Measurements were accurate. Fit perfectly into the housing.

Anonymous

Apr 02, 2026

Rating: 5/5

Excellent corrosion resistance

Used these in a humid environment. No signs of rust after 6 months.

Anonymous

Mar 26, 2026

Rating: 4/5

Good value

Quality is solid for the price. Shipping took a bit longer than expected.

Anonymous

Feb 11, 2026

Rating: 3/5

Okay but soft

304 steel is softer than 440C. Good for corrosion, not for high load.

Anonymous

Feb 11, 2026

Rating: 5/5

Smooth rotation

Very quiet operation at high RPMs. Perfect for my spindle project.

5 FAQ

Q: Can I regrease these bearings?

A: Yes, if you select the open or ZZ shield version, regreasing is possible.

Q: Do you offer bulk discounts?

A: Yes, please contact our sales team for orders over 50 units.

Q: What is the bore size for 6903?

A: The 6903 model has a 17mm bore, 30mm OD, and 7mm width.

Q: Are these bearings waterproof?

A: They are corrosion-resistant but not fully waterproof for submersion.

Q: What is the maximum speed?

A: Max speed varies by size, generally between 18,000 to 30,000 RPM.

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