Miniature ball bearings are designed for compact applications, offering smooth operation, low friction, and low maintenance. Ideal for high-speed and precision requirements. Common applications include robotics, medical equipment, electronics, aerospace and aviation, automotive, precision instruments, hobby and RC models, and more.
d | 7 mm | Bore diameter |
D | 11 mm | Outside diameter |
B/B1 | 3 mm | Width |
d1 ≈ | 8 mm | Shoulder diameter inner ring |
D1 ≈ | 10.26 mm | Shoulder diameter outer ring |
r | 0.1 mm | Chamfer |
9 pcs | Ball qty | |
1.1906 mm | Ball diameter | |
≈m | 0.71 g | Weight |
Cr | 387 N | Basic dynamic load rating |
C0r | 193 N | Basic static load rating |
32000 r/min | Max speed (Grease) | |
P0(ABEC-1) | Tolerane | |
CN | Clearance |
Seal on both sides | Sealing | |
None | Locating feature outer ring | |
52100 | Ring Material | |
52100 | Ball Material | |
SPCC | Cage Material |
NMB | NHBB | NSK/ISC | NTN | BARDEN | RMB | MPB(TIMKEN) | SKF | ADR | GRW | EZO | DYNAROLL | FAFNIR | FAG | Gost | others |