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SKU: NA4909R-NTN

NTN NA4909R Machined Needle Roller Bearing with Shaft Sleeve 45x68x22mm

NTN NA4909R Machined Needle Roller Bearing with Shaft Sleeve 45x68x22mm
Regular price $38.11 ex VAT
Regular price Sale price $38.11 ex VAT
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4+ $24.09
9+ $23.80
19+ $23.52
49+ $23.23
99+ $22.94
499+ $21.51
999+ $21.22
1999+ $20.94
2999+ $20.65
4999+ $20.08
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Description
Technical
d - Inside diameter 45mm
D - Outside diameter 68mm
C - Width of bearing, drawn cup or outer ring 22mm
F - Under roller diameter 52mm
rs - Minimum fillet radius 0.6mm
s - Max axial offset 1mm
Lubrication hole on outer ring? Yes
k - Lubrication hole diameter 3mm
Lubrication hole on innr ring? No
Radial clearance class CN
Precision class P0
Cr - Dynamic load rating 46 kN
C0r - Static load rating 73 kN
N - Grease lubrication limit speed 5000 tr/min
N - Oil lubrication limit speed 7500 tr/min
Tmin - Minimum operating temperature -20 Deg C
Tmax - Maximum operating temperature +120 Deg C
da min - Inner ring minimum shoulder diameter 49mm
Da max - Outer ring maximum shoulder diameter 64mm
ras max - Maximum shaft & housing fillet radius 0.6mm
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