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SKU: 4T-72212C/72487-NTN

NTN 4T-72212C/72487 Tapered Roller Bearing Cup and Cone Set 2.125x4.875x1.437 inch

NTN 4T-72212C/72487 Tapered Roller Bearing Cup and Cone Set 2.125x4.875x1.437 inch
Regular price CHF 124.00 ex VAT
Regular price Sale price CHF 124.00 ex VAT
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3+ CHF 98.04
5+ CHF 92.53
10+ CHF 91.43
25+ CHF 90.33
49+ CHF 89.23
74+ CHF 88.13
99+ CHF 82.62
199+ CHF 81.52
249+ CHF 80.42
499+ CHF 79.32
999+ CHF 77.11
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Description
Technical
--- Bearing dimensions
d 2.125 inch (53.975mm)
D (inch) 4.875 inch (123.825mm)
T 1.437 inch (36.512mm)
B 1.291 inch (32.791mm)
C 1 inch (25.40mm)
--- Speeds and loads
C<sub>r</sub> 171kN
C<sub>or</sub> 188kN
Speed in grease 2900rpm
Speed in oil 3900rpm
--- Abutment dimensions
d<sub>a</sub> 79mm
d<sub>b</sub> 67mm
D<sub>a</sub> 102mm
D<sub>b</sub> 116mm
r<sub>as</sub> max 3.5mm
r<sub>1as</sub> max 3.3mm
Load center<sup>2</sup> -1.5mm - Indicates a load center at the outside on the end of an inner ring
Constant e 0.74
Axial load factor Y<sub>2</sub> 0.81
Axial load factor Y<sub>0</sub> 0.45
Weight 2.03kg
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