Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand	BKD
Material	Chrome Steel
Precision Rating	P4 (ABEC-7)
Seal Type	ZZ (Metal) / RS (Rubber)
Cage Material	Steel or Nylon
Lubrication	Pre-lubricated Grease
Hardness	HRC 58-62
Country of Origin	Germany (Imported)
Application	High-Speed Motors, CNC, Robotics
Warranty	12 Months Manufacturer Warranty

5 reviews

Anonymous

Feb 27, 2026

Rating: 5/5

Perfect fit for 6004 model

Ordered the 6004 RS variant. Dimensions were spot on according to caliper measurements. Highly recommended.

Anonymous

Feb 27, 2026

Rating: 4/5

Good value for money

Solid bearings. Shipping took a bit longer than expected but the product quality makes up for it. Will buy again.

Anonymous

Feb 02, 2026

Rating: 5/5

Smooth and quiet

Perfect for my robotic arm joints. Noise levels are significantly lower than the previous generic bearings I used.

Anonymous

Feb 01, 2026

Rating: 5/5

Excellent precision for CNC

Used these for a spindle upgrade. The runout is minimal and they run very smooth at high RPMs. Genuine BKD quality.

Anonymous

Jan 26, 2026

Rating: 5/5

High speed performance

Running these at 15k RPM without any heat issues. The P4 precision is noticeable in the stability of the motor.

5 FAQ

Q: Is there a bulk discount for ordering 50 units?

A: Yes, please contact our sales team directly for bulk pricing on orders exceeding 20 units.

Q: Are these bearings made in Germany?

A: Yes, these are imported German BKD brand bearings, manufactured to German precision standards.

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

A: ZZ refers to metal shields on both sides, offering less friction. RS refers to rubber seals, offering better protection against dust and moisture.

Q: Do I need to add grease before installation?

A: No, these bearings come pre-lubricated with high-quality grease suitable for immediate use.

Q: What is the maximum RPM rating for the 6000 series?

A: The maximum RPM depends on the specific size and lubrication, but P4 precision bearings typically support high speeds up to 20,000 RPM depending on load.

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