Anonymous
Apr 08, 2026
Rating: 5/5
Perfect spacers
Used these as spacer sleeves in a conveyor setup. No wear observed after a month of operation.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | High-Carbon Steel |
| Inner Diameter (ID) | 13mm, 14mm, 15mm |
| Outer Diameter (OD) | 17mm, 18mm, 20mm |
| Length Options | 22mm, 25mm, 30mm |
| Hardness | HRC 50-55 |
| Surface Finish | Black Oxide Coated |
| Tolerance Class | ISO h7 |
| Weight per Piece | Approx. 20g |
| Country of Origin | China |
| Package Quantity | 10 Pieces |
Anonymous
Apr 08, 2026
Rating: 5/5
Perfect spacers
Used these as spacer sleeves in a conveyor setup. No wear observed after a month of operation.
Anonymous
Apr 03, 2026
Rating: 4/5
Works as described
Good guide bushings. The black oxide coating helps with slight corrosion resistance.
Anonymous
Mar 12, 2026
Rating: 5/5
Excellent quality bushings
These fit perfectly on my shaft. The steel feels very durable and the dimensions were accurate.
Anonymous
Mar 09, 2026
Rating: 4/5
Good value for money
Solid product. Shipping was a bit slow but the item meets expectations for industrial use.
Anonymous
Mar 02, 2026
Rating: 5/5
Precise measurements
I measured the ID and OD with calipers. They are within the stated tolerance. Very happy.
Q: What is the maximum RPM suitable for these?
A: Depending on lubrication and load, they are generally suitable for low to moderate speed applications.
Q: Can I use these in wet environments?
A: They have a black oxide coating, but we recommend additional lubrication or sealing for wet conditions.
Q: Do you sell individual pieces?
A: These are sold in sets of 10 pieces per SKU. Bulk options are available.
Q: Are these bushings hardened?
A: Yes, they are heat-treated to HRC 50-55 for wear resistance.
Q: Is the inner surface smooth?
A: Yes, the ID is ground and polished to ensure smooth shaft rotation.