A
Anonymous
Apr 15, 2026
Rating: 5/5
Exact specs
Measured the bore with calipers and it is exactly 2mm. Very precise manufacturing.
Description
High-Speed Motor Miniature Bearing MR52ZZ L-520ZZ ID 2*5*2.5mm for 4WD Guide Wheels and Axles
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Model Number | MR52ZZ / L-520ZZ |
| Bore Diameter | 2 mm |
| Outer Diameter | 5 mm |
| Width | 2.5 mm |
| Material | Chrome Steel (GCr15) |
| Seal Type | Metal Shield (ZZ) |
| Precision Rating | ABEC-7 |
| Cage Material | Steel |
| Lubrication | Pre-lubricated Grease |
| Package Quantity | 10 Pieces |
5 reviews
A
Anonymous
Apr 15, 2026
Rating: 5/5
High speed ready
No heat buildup after long runs. Definitely suitable for high RPM motors.
A
Anonymous
Apr 03, 2026
Rating: 4/5
Good value
Works well for the price. One felt slightly tight initially but loosened up after use.
A
Anonymous
Mar 21, 2026
Rating: 3/5
Okay quality
Most were fine, but one bearing was noisy out of the box. Rest work well.
A
Anonymous
Feb 04, 2026
Rating: 5/5
Smooth spin for RC cars
Great bearings for my RC car axles. They spin freely and fit the 2mm shaft perfectly.
5 FAQ
Q: Do I need to add oil before using?
A: No, they come pre-lubricated with grease and are ready to install.
Q: Are these stainless steel or chrome steel?
A: These are made of Chrome Steel for better durability and load capacity.
Q: What is the return policy if they don't fit?
A: We offer a 30-day return policy for unused items in original packaging.
Q: How many bearings come in this pack?
A: This listing includes 10 pieces of the MR52ZZ bearings.
Q: Can I use these for drone motors?
A: Yes, they are suitable for lightweight motor applications like drones.
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