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SKU: 4T-2879/2820-NTN

NTN 4T-2879/2820 Tapered Roller Bearing Cup and Cone Set 1.25x2.875x0.875 inch

NTN 4T-2879/2820 Tapered Roller Bearing Cup and Cone Set 1.25x2.875x0.875 inch

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Description
Technical
--- Bearing dimensions
d 1.25 inch (31.75mm)
D (inch) 2.875 inch (73.025mm)
T 0.875 inch (22.225mm)
B 0.937 inch (23.812mm)
C 0.69 inch (17.462mm)
--- Speeds and loads
C<sub>r</sub> 69.5kN
C<sub>or</sub> 75.5kN
Speed in grease 5200rpm
Speed in oil 7000rpm
--- Abutment dimensions
d<sub>a</sub> 39.5mm
d<sub>b</sub> 38.5mm
D<sub>a</sub> 63mm
D<sub>b</sub> 68mm
r<sub>as</sub> max 0.8mm
r<sub>1as</sub> max 3.3mm
Load center<sup>2</sup> 5.5mm
Constant e 0.37
Axial load factor Y<sub>2</sub> 1.63
Axial load factor Y<sub>0</sub> 0.9
Weight 0.466kg
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