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16:55:27 GMT+0000 (Coordinated Universal Time)


7284-B-MPB
Angular contact ball bearing
Angular contact ball bearing 72..-B-MPB, single row, solid brass cage
Thông tin về sản phẩm


Main Dimensions & Performance Data
d | 420 mm | Bore diameter |
D | 760 mm | Outside diameter |
B | 109 mm | Width |
Cr | 810,000 N | Basic dynamic load rating, radial |
C0r | 1,840,000 N | Basic static load rating, radial |
Cur | 39,500 N | Fatigue load limit, radial |
nG | 1,260 1/min | Limiting speed |
nϑr | 790 1/min | Reference speed |
≈m | 1 g | Trọng lượng |
Mounting dimensions
da min | 452 mm | Minimum diameter of shaft shoulder |
Da max | 728 mm | Maximum diameter of housing shoulder |
Db max | 743 mm | Maximum diameter of housing shoulder |
ra max | 6 mm | Maximum fillet radius of shaft |
ra1 max | 3 mm | Maximum fillet radius of housing |
Dimensions
rmin | 7.5 mm | Minimum chamfer dimension |
r1 min | 4 mm | Minimum chamfer dimension |
D1 | 619 mm | Shoulder diameter on outer ring wide side face |
d1 | 560.7 mm | Shoulder diameter on inner ring wide side face |
a | 302 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. |