Needle roller bearings NK45/20R NTN
NTN

Needle roller bearings NK45/20R

Bearing NTN NK45/20R, Ø45×55×20 mm. Request a quote — worldwide shipping.

Code: NK45/20R
Type Needle roller bearings
Dimensions Ø 45 × 55 × 20 mm
d45Bore Ø (mm)
×
D55Outer Ø (mm)
×
B20Width (mm)
All bearings 45×55×20 mm Compare all brands with this size
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In stock

Technical specifications

BrandNTN
Fw - Under rollers diameter45 mm
D - External diameter55 mm
C - Width of bearing, drawn cup or outer ring20 mm
rs - Min fillet radius0,3 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter3 mm
Radial clearance classCN
Precision classP0
Mass0,092 kg
Cr - Dynamic load rating28000000 mN
C0r - Static load rating52500000 mN
N lim - Grease lubrication limit speed36000 °/s
N lim - Oil lubrication limit speed54000 °/s
Tmin - Min operating temperature253,15 °K
Tmax - Max operating temperature393,15 °K
Da max - Max shoulder diameter OR53 mm
ras max - Max shaft & housing fillet radius0,3 mm

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NTN NK45/20R