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SKU: 4T-78225/78551-NTN

NTN 4T-78225/78551 Tapered Roller Bearing Cup and Cone Set 2.25x5.513x1.437 inch

NTN 4T-78225/78551 Tapered Roller Bearing Cup and Cone Set 2.25x5.513x1.437 inch
Regular price $300.35 ex VAT
Regular price Sale price $300.35 ex VAT
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3+ $201.18
5+ $189.88
10+ $187.62
25+ $185.36
49+ $183.10
74+ $180.84
99+ $169.54
199+ $167.28
249+ $165.02
499+ $162.76
999+ $158.24
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Description
Technical
--- Bearing dimensions
d 2.25 inch (57.15mm)
D (inch) 5.513 inch (140.03mm)
T 1.437 inch (36.512mm)
B 1.309 inch (33.236mm)
C 0.93 inch (23.52mm)
--- Speeds and loads
C<sub>r</sub> 190kN
C<sub>or</sub> 212kN
Speed in grease 2600rpm
Speed in oil 3400rpm
--- Abutment dimensions
d<sub>a</sub> 83mm
d<sub>b</sub> 77mm
D<sub>a</sub> 117mm
D<sub>b</sub> 132mm
r<sub>as</sub> max 3.5mm
r<sub>1as</sub> max 2.3mm
Load center<sup>2</sup> -8.5mm - Indicates a load center at the outside on the end of an inner ring
Constant e 0.87
Axial load factor Y<sub>2</sub> 0.69
Axial load factor Y<sub>0</sub> 0.38
Weight 2.69kg
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