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SKU: NA4856-NTN

NTN NA4856 Machined Needle Roller Bearing with Shaft Sleeve 280x350x69mm - Allow 2-3 Days

NTN NA4856 Machined Needle Roller Bearing with Shaft Sleeve 280x350x69mm - Allow 2-3 Days
Regular price £1,811.37 ex VAT£2,173.64inc. VAT
Regular price Sale price £1,811.37 ex VAT£2,173.64 inc. VAT
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3+ £1,720.80
4+ £1,630.23
9+ £1,539.66
19+ £1,449.10
49+ £1,412.87
99+ £1,376.64
499+ £1,195.50
999+ £0.00
1999+ £0.00
2999+ £0.00
4999+ £0.00
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Description
Technical
d - Inside diameter 280mm
D - Outside diameter 350mm
C - Width of bearing, drawn cup or outer ring 69mm
F - Under roller diameter 305mm
rs - Minimum fillet radius 2mm
s - Max axial offset 2.5mm
Lubrication hole on outer ring? Yes
k - Lubrication hole diameter 4mm
Lubrication hole on innr ring? No
Radial clearance class CN
Precision class P0
Cr - Dynamic load rating 455 kN
C0r - Static load rating 1300 kN
N - Grease lubrication limit speed 850 tr/min
N - Oil lubrication limit speed 1300 tr/min
Tmin - Minimum operating temperature -20 Deg C
Tmax - Maximum operating temperature +120 Deg C
da min - Inner ring minimum shoulder diameter 289mm
Da max - Outer ring maximum shoulder diameter 341mm
ras max - Maximum shaft & housing fillet radius 2mm
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