Needle roller bearings RNA6909R NTN
NTN

Needle roller bearings RNA6909R

Bearing NTN RNA6909R, Ø52×68×40 mm. Request a quote — worldwide shipping.

Code: RNA6909R
Type Needle roller bearings
Dimensions Ø 52 × 68 × 40 mm
d52Bore Ø (mm)
×
D68Outer Ø (mm)
×
B40Width (mm)
All bearings 52×68×40 mm Compare all brands with this size
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In stock

Technical specifications

BrandNTN
Fw - Under rollers diameter52 mm
D - External diameter68 mm
C - Width of bearing, drawn cup or outer ring40 mm
rs - Min fillet radius0,6 mm
Lubrication hole on outer ringOui/Yes
k - Hole diameter3 mm
Radial clearance classCN
Precision classP0
Mass0,273 kg
Cr - Dynamic load rating70500000 mN
C0r - Static load rating127000000 mN
N lim - Grease lubrication limit speed30000 °/s
N lim - Oil lubrication limit speed45000 °/s
Tmin - Min operating temperature253,15 °K
Tmax - Max operating temperature393,15 °K
Da max - Max shoulder diameter OR64 mm
ras max - Max shaft & housing fillet radius0,6 mm

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NTN RNA6909R