Needle roller bearing, machined-rings, with inner ring, double-side ribs
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PRODUCT DEFINITION | |
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Brand | NTN |
d - Internal diameter | 220 mm |
D - External diameter | 270 mm |
C - Width of bearing, drawn cup or outer ring | 50 mm |
F - Under roller diameter | 240 mm |
rs - Min fillet radius | 1,5 mm |
s - Max axial offset | 1,5 mm |
Lubrication hole on outer ring | Oui/Yes |
k - Hole diameter | 4 mm |
Lubrication hole on inner ring | Non/No |
Radial clearance class | CN |
Precision class | P0 |
Mass | 6,37 kg |
PRODUCT PERFORMANCE | |
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Cr - Dynamic load rating | 244 kN |
C0r - Static load rating | 780 kN |
Nlim - Grease lubrication limit speed | 1100 tr/min |
Nlim - Oil lubrication limit speed | 1700 tr/min |
Tmin - Min operating temperature | -20 °C |
Tmax - Max operating temperature | 120 °C |
ABUTMENT | |
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da min - Min shoulder diameter IR | 228 mm |
Da max - Max shoulder diameter OR | 262 mm |
ras max - Max shaft & housing fillet radius | 1,5 mm |