Select a different country or region to see content for your location.
United States
18:30:56 GMT+0000 (Coordinated Universal Time)
6311-J20AA
Deep groove ball bearing
Deep groove ball bearing 63..-J20AA, single row, steel sheet metal cage, ceramic coated
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 55 mm | Bore diameter |
D | 120 mm | Outside diameter |
B | 29 mm | Width |
Cr | 83,000 N | Basic dynamic load rating, radial |
C0r | 47,500 N | Basic static load rating, radial |
Cur | 3,250 N | Fatigue load limit, radial |
nG | 8,500 1/min | Limiting speed |
nϑr | 7,100 1/min | Reference speed |
≈m | 1.37 kg | Weight |
Mounting dimensions
da min | 66 mm | Minimum diameter shaft shoulder |
Da max | 109 mm | Maximum diameter of housing shoulder |
ra max | 2 mm | Maximum fillet radius |
Dimensions
rmin | 2 mm | Minimum chamfer dimension |
D1 | 101.4 mm | Shoulder diameter outer ring |
d1 | 75.2 mm | Shoulder diameter inner ring |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 150 °C | Operating temperature max. |
Calculation factors
f0 | 12.9 | Calculation factor |