Specifications of INA Bearing 71812-TN
Additional information
Main Dimensions & Performance Data
Cr | 12300 N | Basic dynamic load rating, radial |
C0r | 12800 N | Basic static load rating, radial |
d | 60 mm | Bore diameter |
Cur | 870 N | Fatigue load limit, radial |
nG | 10500 1/min | Limiting speed |
D | 78 mm | Outside diameter |
nu03d1r | 5400 1/min | Reference speed |
B | 10 mm | Width |
Dimensions
u03b1 | 40 u00b0 | Contact-angle |
a | 33.9 mm | Distance between the apexes of the pressure cones |
d1 | 67.2 mm | Shoulder diameter inner ring |
D1 | 70.8 mm | Shoulder diameter outer ring |
r1 min | 0.2 mm | Minimum chamfer dimension |
rmin | 0.3 mm | Minimum chamfer dimension |
Mounting dimensions
Da max | 76 mm | Maximum diameter of housing shoulder |
Db max | 76.6 mm | Maximum diameter of housing shoulder |
ra max | 0.3 mm | Maximum recess radius |
ra1 max | 0.2 mm | Maximum recess radius |
da min | 62 mm | Minimum diameter shaft shoulder |
Temperature range
Tmax | 120 u00b0C | Operating temperature max. |
Tmin | -30 u00b0C | Operating temperature min. |