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18:52:53 GMT+0000 (Coordinated Universal Time)
NAO12X28X12-IS1-XL
Needle roller bearing
Needle roller bearings NAO, without ribs
Replaces
NAO12X28X12-IS1
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 12 mm | Bore diameter |
D | 28 mm | Outside diameter |
B | 12 mm | Width |
Cr | 13,000 N | Basic dynamic load rating, radial |
C0r | 12,500 N | Basic static load rating, radial |
Cur | 2,250 N | Fatigue load limit, radial |
nG | 22,900 1/min | Limiting speed |
nϑr | 14,300 1/min | Reference speed |
≈m | 40 g | Weight |
Mounting dimensions
da | 15.7 mm | Mounting dimension |
Db | 16.4 mm | Shoulder diameter axial guidance NK/housing |
db | 21.6 mm | Shoulder diameter axial guidance NK/shaft |
Da | 22.3 mm | Shoulder diameter outer ring |
ra max | 0.3 mm | Maximum recess radius |
Dimensions
F | 16 mm | Raceway diameter inner ring |
E | 22 mm | Raceway diameter outer ring |
rmin | 0.3 mm | Minimum chamfer dimension |
s | 0.5 mm | Axial displacement |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 120 °C | Operating temperature max. |