Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand Name	BPJ
Bearing Type	Deep Groove Ball Bearing
Material	High Carbon Chrome Steel GCr15
Seal Options	ZZ (Metal Shield) or RS (Rubber Seal)
Precision Grade	P4 (ABEC-7)
Country of Origin	Japan Imported
Bore Diameter Range	30mm to 55mm
Cage Material	Steel Pressed Cage
Lubrication	Pre-lubricated with High Quality Grease
Package Content	1 Piece per Individual Box

5 reviews

Anonymous

Apr 12, 2026

Rating: 5/5

Genuine Japan quality

I was worried about authenticity but these are definitely genuine imports. Smooth rotation and well packaged.

Anonymous

Apr 04, 2026

Rating: 5/5

Quiet operation

Replaced old noisy bearings with these BPJ ones. The machine runs much quieter now. Highly recommend for precision tasks.

Anonymous

Mar 15, 2026

Rating: 4/5

Good value but shipping slow

The bearings themselves are excellent quality. Only giving 4 stars because shipping took a bit longer than expected.

Anonymous

Mar 05, 2026

Rating: 5/5

Perfect fit for industrial motor

These bearings fit perfectly into our motor housing. The P4 precision is noticeable with very low vibration during operation.

Anonymous

Mar 03, 2026

Rating: 5/5

Reliable supplier

Ordered multiple sizes for our workshop. All dimensions matched the spec sheet exactly. Will order again.

5 FAQ

Q: Are these ABEC 7 rated?

A: Yes, the P4 precision class corresponds to ABEC 7 tolerance standards.

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

A: ZZ refers to metal shields on both sides, while RS refers to rubber contact seals. RS offers better protection against dust and moisture.

Q: Is this bearing compatible with high-speed applications?

A: Yes, the P4 precision grade is designed for higher speed and tighter tolerance applications compared to standard grades.

Q: Can I return if the size is wrong?

A: Yes, we accept returns within 30 days provided the item is unused and in original packaging.

Q: Do these come pre-lubricated?

A: Yes, all bearings are pre-lubricated with high-quality grease suitable for general industrial use.

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