Koyo NRB M-18161 Roller bearing

Brand Name Bearings,Roller Bearings,Needle Roller Bearings & Rings,Needle Roller Bearings,M-18161
Model Number M-18161
Min.Order Quantity 1 pcs
Price Negotiable

Product Details

Bearing number 7228BGM
Size (mm) 140x250x42
Bore Diameter (mm) 140,000
Outer Diameter (mm) 250,000
Width (mm) 42,000
d 140,000 mm
D 250,000 mm
B 42,000 mm
C 42,000 mm
d1 183.5 mm
d2 152.7 mm
D1 207.5 mm
D2 237.8 mm
a 103 mm
Contact angle α 40 °
rs min 3 mm
r1s min 1.1 mm
Radial clearance class CN
Mass 8.91 kg
Dynamic load, C 193 kN
Static load, C0 213 kN
Fatigue limit load, Cu 6.9 kN
Nref 3,400 rpm
Nlim 3,200 rpm
Min operating temperature, Tmin -40 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0.43 Hz
Characteristic rolling element frequency, BSF 5.75 Hz
Characteristic outer ring frequency, BPF0 6.95 Hz
Characteristic inner ring frequency, BPFI 9.05 Hz
da min 154 mm
db min 154 mm
Da max 236 mm
Db max 243 mm
r1a max 1 mm
ra max 2.5 mm
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Company Profile

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Phone (65) 8257 8518
Fax (65) 6258 7399
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