Product Details

NTN NK37/20R needle roller bearings

Brand Name NTN
Model Number NK37/20R
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

NTN NK37/20R bearing Size Chart (mm/inches)

d31.75 mm
D68.26 mm
B22.22 mm
C17.46 mm
T22.22 mm
d149.5 mm
a17.02 mm
e0.42
Y21.44
Y00.79
Mass0.38 kg
Dynamic load, C57 kN
Rating life coefficient, A21.9
Static load, C067 kN
Fatigue limit load, Cu8.2 kN
Nlim (oil)7,700 rpm
Nlim (grease)5,800 rpm
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.42 Hz
Characteristic rolling element frequency, BSF5.99 Hz
Characteristic outer ring frequency, BPF07.17 Hz
Characteristic inner ring frequency, BPFI9.83 Hz
ra max3.5 mm
r1a max1.5 mm
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