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20:27:31 GMT+0000 (Coordinated Universal Time)
7228-B-XL-MP-P5
Angular contact ball bearing
Angular contact ball bearing 72..-B-XL-MP, single row, X-life, solid brass cage
Product information
Metric
Imperial
Main Dimensions & Performance Data
d | 140 mm | Bore diameter |
D | 250 mm | Outside diameter |
B | 42 mm | Width |
Cr | 214,000 N | Basic dynamic load rating, radial |
C0r | 231,000 N | Basic static load rating, radial |
Cur | 11,500 N | Fatigue load limit, radial |
nG | 4,450 1/min | Limiting speed |
nϑr | 3,100 1/min | Reference speed |
≈m | 8.665 kg | Weight |
Mounting dimensions
da min | 154 mm | Minimum diameter of shaft shoulder |
Da max | 236 mm | Maximum diameter of housing shoulder |
Db max | 243 mm | Maximum diameter of housing shoulder |
ra max | 2.5 mm | Maximum fillet radius of shaft |
ra1 max | 1 mm | Maximum fillet radius of housing |
Dimensions
rmin | 3 mm | Minimum chamfer dimension |
r1 min | 1.1 mm | Minimum chamfer dimension |
D1 | 207.5 mm | Shoulder diameter on outer ring wide side face |
d1 | 183.5 mm | Shoulder diameter on inner ring wide side face |
a | 102.8 mm | Distance between the apexes of the pressure cones |
α | 40 ° | Contact angle |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 200 °C | Operating temperature max. |