KOMATSU 21N-54-37880 BRACKET - Kate Komatsu part Machinery Co., Ltd

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KOMATSU 21N-54-37880 BRACKET image

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KOMATSU 21N-54-37880 BRACKET Technology

Bearing number:4T-07100/07204
Size (mm):25.4x51.994x15.011
Bore Diameter (mm):25,4
Outer Diameter (mm):51,994
Width (mm):15,011
d:25,4 mm
D:51,994 mm
T:15,011 mm
B:14,26 mm
C:12,7 mm
ra1 max.:1,3 mm
a:3 mm
Da:45 mm
db:29,5 mm
ra max.:1 mm
da:30,5 mm
Db:48 mm
Weight:0,144 Kg
Basic dynamic load rating (C):26 kN
Basic static load rating (C0):27,9 kN
(Grease) Lubrication Speed:7 500 r/min
(Oil) Lubrication Speed:10 000 r/min
Calculation factor (e):0,4
Calculation factor (Y0):0,82
d1:37.5 mm
e:0.4
Y2:1.49
Y0:0.82
Mass:0.14 kg
Dynamic load, C:26 kN
Rating life coefficient, A2:1.4
Static load, C0:27.9 kN
Fatigue limit load, Cu:3.4 kN
Nlim (oil):10,000 rpm
Nlim (grease):7,500 rpm
Min operating temperature, Tmin:-40 °C
Max operating temperature, Tmax:120 °C
Characteristic cage frequency, FTF:0.42 Hz
Characteristic rolling element frequency, BSF:6.31 Hz
Characteristic outer ring frequency, BPF0:7.23 Hz
Characteristic inner ring frequency, BPFI:9.77 Hz
ra max:1 mm
r1a max:1.3 mm

Main Products: Load Wheel, Chain Wheel, Drive Wheel, Gear Block, Guide Wheel, Chain Rail Assembly, Track Assembly, Track Plate and High Strength Bolt. Other products: chain link, chain pin, bucket shaft, bucket shaft sleeve, swing frame, connecting rod, chain bracket, tension cylinder, tension spring, U-frame, large and small arm cylinder assembly, rubber block, bucket teeth, tooth base, etc.

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Kate Komatsu part Machinery Co., Ltd: Email; AddressJiulong wan ,Hong kong,china; Phone(Working Time); Fax

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