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SKU: 4T-JM612949/JM612910-NTN

NTN 4T-JM612949/JM612910 Tapered Roller Bearing Cup and Cone Set 2.756x4.528x1.142 inch

NTN 4T-JM612949/JM612910 Tapered Roller Bearing Cup and Cone Set 2.756x4.528x1.142 inch

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Description
Technical
--- Bearing dimensions
d 2.756 inch (70mm)
D (inch) 4.528 inch (115mm)
T 1.142 inch (29mm)
B 1.142 inch (29.00mm)
C 0.91 inch (23.00mm)
--- Speeds and loads
C<sub>r</sub> 138kN
C<sub>or</sub> 171kN
Speed in grease 3100rpm
Speed in oil 4100rpm
--- Abutment dimensions
d<sub>a</sub> 83mm
d<sub>b</sub> 77mm
D<sub>a</sub> 103mm
D<sub>b</sub> 110mm
r<sub>as</sub> max 3mm
r<sub>1as</sub> max 2.5mm
Load center<sup>2</sup> 2.5mm
Constant e 0.43
Axial load factor Y<sub>2</sub> 1.39
Axial load factor Y<sub>0</sub> 0.77
Weight 1.12kg
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