Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material Grade | GCr15 Bearing Steel |
| Inner Diameter | 8 mm |
| Outer Diameter | 12 mm |
| Sleeve Length | 20 mm |
| Precision Rating | P5 (ABEC 5) |
| Surface Hardness | HRC 58-62 |
| Surface Finish | Mirror Polished |
| Package Count | 10 Pieces |
| Net Weight | 150 grams |
| Country of Origin | Japan |
Anonymous
Mar 26, 2026
Rating: 3/5
Slightly tight tolerance
Required minor polishing to fit my specific assembly. Otherwise good steel quality overall.
Anonymous
Mar 22, 2026
Rating: 4/5
Good value for money
Steel quality is solid though packaging was minimal. Product works as intended for my machinery setup.
Anonymous
Mar 10, 2026
Rating: 5/5
Perfect fit for 8mm shafts
Measured with micrometers and they are spot on. Very happy with the tolerance levels provided.
Anonymous
Feb 09, 2026
Rating: 5/5
Excellent precision for robotics
Used these sleeves in a custom robotic arm joint. The fit was snug and precise. Highly recommend for engineering projects.
Anonymous
Jan 27, 2026
Rating: 5/5
Durable and wear-resistant
Been running them for months without signs of wear. Great for high friction areas in my workshop.
Q: Can I order mixed sizes in one pack?
A: No, this SKU is specific to 8mm ID. Please browse other listings for different dimensions.
Q: Is there a warranty included?
A: Yes, 1-year manufacturer warranty against defects in material and workmanship.
Q: Are these suitable for high-speed applications?
A: Yes, P5 precision supports high RPM operations within specified load limits.
Q: Do I need to lubricate these sleeves?
A: Yes, we recommend applying standard bearing grease before installation for optimal performance.
Q: What is the temperature resistance?
A: Rated for continuous operation up to 120 degrees Celsius under normal load conditions.
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