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NK21/16-XL
Needle roller bearing
Needle roller bearings NK, light series
Replaces
NK21/16
Preferred product
Product information
Metric
Imperial
Main Dimensions & Performance Data
Fw | 21 mm | Under roller diameter |
D | 29 mm | Outside diameter |
C | 16 mm | Width, outer ring |
Cr | 15.200 N | Basic dynamic load rating, radial |
C0r | 18.700 N | Basic static load rating, radial |
Cur | 3.500 N | Fatigue load limit, radial |
nG | 20.600 1/min | Limiting speed |
nϑr | 12.600 1/min | Reference speed |
≈m | 28,2 g | Weight |
Dimensions
rmin | 0,3 mm | Minimum chamfer dimension |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |
Additional information
G21X29X4 | Sealing ring |