Anonymous
Apr 08, 2026
Rating: 4/5
Durable under stress
Using them in high RPM setups. They hold up well but need regular maintenance.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Chrome Steel (GCr15) |
| Seal Type | Open, Z, ZZ, RS, 2RS |
| Precision Class | ABEC-1, ABEC-3, ABEC-5, ABEC-7 |
| Cage Material | Steel or Nylon Reinforced |
| Lubrication | Pre-lubricated with Grease |
| Inner Diameter Range | 1mm to 4mm |
| Outer Diameter Range | 4mm to 9mm |
| Width Tolerance | ±0.05mm |
| Noise Level | Low Noise (Z1/Z2/Z3) |
| Package Content | 10 Pieces per Model Pack |
Anonymous
Apr 08, 2026
Rating: 4/5
Durable under stress
Using them in high RPM setups. They hold up well but need regular maintenance.
Anonymous
Mar 30, 2026
Rating: 5/5
Perfect for my drone build
These MR128 bearings fit perfectly in my motor mounts. Smooth rotation and no play.
Anonymous
Mar 16, 2026
Rating: 5/5
Fast shipping great price
Bought the full range kit. Good to have all sizes on hand for prototypes.
Anonymous
Feb 24, 2026
Rating: 5/5
Essential for small repairs
I use these for repairing small appliances. The MR105 size is hard to find elsewhere.
Anonymous
Jan 23, 2026
Rating: 4/5
Good quality slight grease smell
Works well for my 3D printer idler. Had to clean off excess grease but otherwise solid.
Q: Can I return if I order the wrong size?
A: Yes unused packages can be returned within 30 days.
Q: Are these stainless steel?
A: No these are Chrome Steel. Stainless options are available separately.
Q: What is the maximum RPM?
A: Depends on the specific size but generally rated for high-speed applications up to 30000 RPM.
Q: Do you offer bulk discounts?
A: Yes please contact us for orders over 50 packs.
Q: Is the grease food safe?
A: No standard industrial grease is used. Not recommended for food processing equipment.