K70x80x30 bearing
Bearing Designation
Current Code :K70x80x30
Original Code :29244/70
Shaft Diameter（mm） :70
Weight(Kg) :150
Boundary Dimensions(mm)
Fw :70
D :80
C :30
Basic Load Rating(N)
Dynamic :72500
Static :147500
Limiting Speed(rpm)
Oil :4500
Needle roller bearing is a special type roller bearing which uses long, thin cylindrical rollers resembling needles. Compared to ball bearings and ordinary roller bearings, needle bearings have a greater surface area in contact with the races, so they can support a great load. They are widely used in automobile components such as rocker arm pivots, pumps, compressors and transmissions.
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