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7230-B-XL-MP-UA
Angular contact ball bearing
Angular contact ball bearing 72..-B-XL-MP, single row, X-life, solid brass cage
Replaces
7230-B-MP-UA, 7230B.MP.UA


Main Dimensions & Performance Data
d | 150 mm | Bore diameter |
D | 270 mm | Outside diameter |
B | 45 mm | Width |
Cr | 245,000 N | Basic dynamic load rating, radial |
C0r | 275,000 N | Basic static load rating, radial |
Cur | 13,200 N | Fatigue load limit, radial |
nG | 4,100 1/min | Limiting speed |
nϑr | 2,850 1/min | Reference speed |
≈m | 10.991 kg | Weight |
Mounting dimensions
da min | 164 mm | Minimum diameter of shaft shoulder |
Da max | 256 mm | Maximum diameter of housing shoulder |
Db max | 263 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 | 223.5 mm | Shoulder diameter on outer ring wide side face |
d1 | 197.5 mm | Shoulder diameter on inner ring wide side face |
a | 110.6 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. |
Additional information
Amin | 60 µm | Axial clearance per set min. |
Tol(+) | 12 µm | Tolerance for axial clearance or preload per set |


All
English

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