mini excavator parts track roller, PC200-5 excavator track bottom roller

Offer High Quality Brand 45.618x82.931x26.988 mini excavator parts track roller, PC200-5 excavator track bottom roller .Contact Us Online to Kate Komatsu part Machinery Co., Ltd Get Best Quote.

Bearing number: 4T-25590/25523
Size (mm): 45.618x82.931x26.988
Bore Diameter (mm): 45,618
Outer Diameter (mm): 82,931
Width (mm): 26,988
d: 45,618 mm
D: 82,931 mm
T: 26,988 mm
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Product Details

Bearing number 4T-25590/25523
Size (mm) 45.618x82.931x26.988
Bore Diameter (mm) 45,618
Outer Diameter (mm) 82,931
Width (mm) 26,988
d 45,618 mm
D 82,931 mm
T 26,988 mm
B 25,4 mm
C 22,225 mm
d1 63 mm
a 20.79 mm
e 0.33
Y2 1.79
Y0 0.99
Mass 0.59 kg
Dynamic load, C 76 kN
Rating life coefficient, A2 1.4
Static load, C0 98 kN
Fatigue limit load, Cu 12 kN
Nlim (oil) 6,000 rpm
Nlim (grease) 4,500 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 7.08 Hz
Characteristic outer ring frequency, BPF0 7.78 Hz
Characteristic inner ring frequency, BPFI 10.22 Hz
ra max 3.5 mm
r1a max 2.3 mm
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