TIMKEN 687-90067 services Tapered Roller Bearing Assemblies

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TIMKEN 687-90067 services Tapered Roller Bearing Assemblies image

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TIMKEN 687-90067 services Tapered Roller Bearing Assemblies Product Features

Bearing number:7028BG
Size (mm):140x210x33
Bore Diameter (mm):140,000
Outer Diameter (mm):210,000
Width (mm):33,000
d:140,000 mm
D:210,000 mm
B:33,000 mm
C:33,000 mm
d1:164.8 mm
d2:164.8 mm
D1:185.4 mm
D2:196.2 mm
a:90 mm
Contact angle α:40 °
rs min:2 mm
r1s min:1 mm
Radial clearance class:CN
Mass:3.96 kg
Dynamic load, C:107 kN
Static load, C0:119 kN
Nlim (oil):2,600 rpm
Nlim (grease):3,500 rpm
Min operating temperature, Tmin:-40 °C
Max operating temperature, Tmax:120 °C
Characteristic cage frequency, FTF:0.46 Hz
Characteristic rolling element frequency, BSF:8.42 Hz
Characteristic outer ring frequency, BPF0:10.01 Hz
Characteristic inner ring frequency, BPFI:11.99 Hz
da min:150 mm
Da max:200 mm
Db max:204.5 mm
r1a max:1 mm
ra max:2 mm

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