Needle roller bearings NA4910R NTN
NTN

Needle roller bearings NA4910R

Bearing NTN NA4910R, Ø50×72×22 mm. Request a quote — worldwide shipping.

Code: NA4910R
Type Needle roller bearings
Dimensions Ø 50 × 72 × 22 mm
d50Bore Ø (mm)
×
D72Outer Ø (mm)
×
B22Width (mm)
All bearings 50×72×22 mm Compare all brands with this size
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In stock

Technical specifications

BrandNTN
d - Internal diameter50 mm
D - External diameter72 mm
C - Width of bearing, drawn cup or outer ring22 mm
F - Under roller diameter58 mm
rs - Min fillet radius0,6 mm
s - Max axial offset1 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter3 mm
Lubrication hole on inner ringNon/No
Radial clearance classCN
Precision classP0
Mass0,276 kg
Cr - Dynamic load rating48000000 mN
C0r - Static load rating80000000 mN
N lim - Grease lubrication limit speed28200 °/s
N lim - Oil lubrication limit speed42000 °/s
Tmin - Min operating temperature253,15 °K
Tmax - Max operating temperature393,15 °K
da min - Min shoulder diameter IR54 mm
Da max - Max shoulder diameter OR68 mm
ras max - Max shaft & housing fillet radius0,6 mm

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NTN NA4910R