Product Details

BOSTON GEAR B812-8 Sleeve Bearings

Brand Name BOSTON GEAR
Model Number B812-8
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

BOSTON GEAR B812-8 bearing Size Chart (mm/inches)

d69.85 mm
D120.65 mm
B25.4 mm
C19.05 mm
T25.4 mm
d194.5 mm
a26.3 mm
e0.49
Y21.23
Y00.68
Mass1.17 kg
Dynamic load, C95.5 kN
Rating life coefficient, A21.9
Static load, C0151 kN
Fatigue limit load, Cu18.4 kN
Nlim (oil)4,100 rpm
Nlim (grease)3,100 rpm
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.46 Hz
Characteristic rolling element frequency, BSF10.6 Hz
Characteristic outer ring frequency, BPF012.3 Hz
Characteristic inner ring frequency, BPFI14.7 Hz
ra max1.5 mm
r1a max3.3 mm
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