Needle roller bearings RNA6903R NTN
NTN

Needle roller bearings RNA6903R

Bearing NTN RNA6903R. Request a quote — worldwide shipping.

Code: RNA6903R
Type Needle roller bearings
Dimensions Ø 0 × 30 × 0 mm
d0Bore Ø (mm)
×
D30Outer Ø (mm)
×
B0Width (mm)
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In stock

Technical specifications

BrandNTN
Fw - Under rollers diameter22 mm
D - External diameter30 mm
C - Width of bearing, drawn cup or outer ring23 mm
rs - Min fillet radius0,3 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter2,5 mm
Radial clearance classCN
Precision classP0
Mass0,042 kg
Cr - Dynamic load rating18200000 mN
C0r - Static load rating27200000 mN
N lim - Grease lubrication limit speed72000 °/s
N lim - Oil lubrication limit speed108000 °/s
Tmin - Min operating temperature253,15 °K
Tmax - Max operating temperature393,15 °K
Da max - Max shoulder diameter OR28 mm
ras max - Max shaft & housing fillet radius0,3 mm

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NTN RNA6903R