Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material Grade	304 & 440 Stainless Steel
Seal Type	ZZ (Metal) or RS (Rubber)
Precision Class	ABEC-1 / ISO P0
Cage Material	Stainless Steel
Lubrication	Pre-lubricated with Food Grade Grease
Brand Origin	Germany (BKD)
Inner Diameter Range	10mm - 17mm
Outer Diameter Range	22mm - 30mm
Width Range	6mm - 7mm
Operating Temperature	-20°C to +120°C

5 reviews

Anonymous

Apr 02, 2026

Rating: 4/5

Good quality, slow shipping

The bearings themselves are top notch and fit perfectly. Only downside was the shipping took a week longer than estimated.

Anonymous

Mar 26, 2026

Rating: 3/5

Packaging needs improvement

One bearing seal was slightly bent upon arrival due to thin packaging. The bearing still works, but care needed during unpacking.

Anonymous

Mar 12, 2026

Rating: 5/5

Excellent corrosion resistance

Used these on a marine winch system. After six months of saltwater exposure, there is no sign of rust. Smooth operation still.

Anonymous

Mar 05, 2026

Rating: 5/5

Perfect for food machinery

We use these in our packaging line. The food grade grease and stainless construction meet our hygiene requirements perfectly.

Anonymous

Feb 21, 2026

Rating: 5/5

Quiet operation for 3D printer

Replaced standard steel bearings with these S6900ZZ. The noise level dropped significantly and movement is very smooth.

5 FAQ

Q: Can these withstand high heat environments?

A: The standard grease allows operation up to 120°C. For higher temperatures, high-temperature lubrication is required.

Q: Is this genuine German BKD stock?

A: Yes, we import directly from BKD Germany and provide certificates of authenticity upon request.

Q: Are the 440 grade bearings magnetic?

A: Yes, 440 stainless steel is magnetic, whereas 304 grade is generally non-magnetic.

Q: What is the dynamic load capacity for S6901?

A: Please refer to the technical datasheet provided in the download section for specific load ratings per model.

Q: Do these come pre-lubricated?

A: Yes, all bearings are pre-lubricated with food grade grease suitable for general purposes.

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