Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand	BPJ
Country of Origin	Japan
Material	Chrome Steel (GCr15)
Precision Grade	P4 (ABEC 7)
Seal Type	ZZ (Metal) / RS (Rubber)
Bore Diameter Range	10mm - 25mm
Outer Diameter Range	26mm - 47mm
Width Range	8mm - 12mm
Cage Material	Steel or Polyamide
Lubrication	Pre-lubricated with High-Grade Grease

5 reviews

Anonymous

Mar 14, 2026

Rating: 5/5

Genuine Japanese quality

Much better than the cheap alternatives I tried before. Worth the extra cost for reliability.

Anonymous

Mar 01, 2026

Rating: 5/5

Excellent precision

Using these in a CNC spindle application. They run cool and maintain precision under load.

Anonymous

Feb 22, 2026

Rating: 5/5

Perfect for my lathe

Smooth operation and no noise during high-speed runs. Genuine Japanese quality as described.

Anonymous

Feb 21, 2026

Rating: 4/5

Great product, packaging ok

One box was slightly dented upon arrival but the bearings inside were fine and well-oiled.

Anonymous

Feb 01, 2026

Rating: 4/5

Good quality, slow ship

The bearings are excellent and fit perfectly, but shipping took longer than expected.

5 FAQ

Q: What is the maximum RPM for the 6004 model?

A: For grease lubrication, the reference speed is approximately 17,000 RPM, depending on load.

Q: What is the warranty period for these bearings?

A: We offer a 6-month warranty against manufacturing defects under normal operating conditions.

Q: Do you offer bulk discounts for orders over 100 units?

A: Yes, please contact our sales team directly for volume pricing on bulk orders.

Q: Is RS better than ZZ for dust protection?

A: Yes, RS rubber seals offer better protection against dust and moisture compared to ZZ metal shields.

Q: Are these authentic Japanese imports?

A: Yes, all bearings are sourced directly from authorized manufacturers in Japan.

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