Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | HRB (Harbin) |
| Bearing Type | Deep Groove Ball Bearing |
| Series | 61900 Series (Extra Thin) |
| Seal Options | ZZ (Metal Shield) or 2RZ (Rubber Seal) |
| Material | Chrome Steel GCr15 |
| Precision Grade | P0 (ABEC-1) |
| Internal Clearance | Standard (C3 Available) |
| Cage Material | Stamped Steel |
| Lubrication | Pre-filled Grease |
| Country of Origin | China |
Anonymous
Mar 20, 2026
Rating: 5/5
Perfect fit for my electric motor
Ordered the 61908 2RZ for a repair job. The dimensions were spot on and the rotation is very smooth. Genuine HRB quality.
Anonymous
Mar 01, 2026
Rating: 4/5
Solid industrial grade
Using these for a conveyor belt application. They handle the load well. Slightly tighter fit than expected but seated properly.
Anonymous
Feb 26, 2026
Rating: 5/5
Quiet operation
Replaced old noisy bearings in my workshop fan with these 61907 ZZ. Much quieter now. Will buy again.
Anonymous
Feb 12, 2026
Rating: 4/5
Good value but packaging loose
The bearings themselves are excellent quality. However, the box arrived slightly crushed. The bearings were fine inside their individual wraps.
Anonymous
Jan 28, 2026
Rating: 5/5
Authentic Product
Checked the laser etching on the ring. Definitely authentic Harbin bearings. Fast shipping from the flagship store.
Q: What is the difference between ZZ and 2RZ seals?
A: ZZ indicates metal shields on both sides, suitable for high speeds. 2RZ indicates non-contact rubber seals, offering better dust protection.
Q: Do I need to add more grease before installation?
A: No, these come pre-lubricated with high-quality grease ready for immediate use.
Q: Are these dimensions in millimeters?
A: Yes, all 61900 series bearings follow standard metric dimensions.
Q: Is there a warranty included?
A: Yes, all products from our Official Flagship Store come with a 12-month quality warranty.
Q: Can these handle high temperatures?
A: Standard grease is rated up to 120°C. For higher temperatures, please contact us for specialized variants.
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