Description
Reviews
| 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 |
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.
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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