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RNAO50X65X20
Needle roller bearing
Needle roller bearing RNAO, two-row, no inner ring, no rib
Replaces
RNAO 50X65X20
Product information
Metric
Imperial
Main Dimensions & Performance Data
Fw | 50 mm | Under roller diameter |
D | 65 mm | Outside diameter |
C | 20 mm | Width, outer ring |
Cr | 35,500 N | Basic dynamic load rating, radial |
C0r | 62,000 N | Basic static load rating, radial |
Cur | 8,900 N | Fatigue load limit, radial |
nG | 9,100 1/min | Limiting speed |
nϑr | 5,600 1/min | Reference speed |
≈m | 179.4 g | Weight |
Mounting dimensions
Db | 50.6 mm | Shoulder diameter axial guidance NK/housing |
db | 57.2 mm | Shoulder diameter axial guidance NK/shaft |
Da | 58.5 mm | Shoulder diameter outer ring |
ra max | 0.3 mm | Maximum recess radius |
Dimensions
E | 58 mm | Raceway diameter outer ring |
rmin | 0.3 mm | Minimum chamfer dimension |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |