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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 €33,95 ex VAT
Regular price Sale price €33,95 ex VAT
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3+ €25,53
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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