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MR202820 - NTN

MR202820

Needle roller bearing, machined-ring, without inner ring, double-side ribs, lubrication hole, inch dimensions

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Technical datasheet

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Specs

PRODUCT DEFINITION

Fw - Under rollers diameter 31,75 mm
D - External diameter 44,45 mm
C - Width of bearing, drawn cup or outer ring 31,75 mm
rs - Min fillet radius 1 mm
Lubrication hole on outer ring Yes
k - Hole diameter 3 mm
Radial clearance class CN
Precision class P0
Mass 0,136 kg
Brand NTN
Product classification image

PRODUCT PERFORMANCE

Cr - Dynamic load rating 43,5 kN
C0r - Static load rating 68 kN
Nlim - Grease lubrication limit speed 8500 tr/min
Nlim - Oil lubrication limit speed 13000 tr/min
Tmin - Min operating temperature -20 °C
Tmax - Max operating temperature 120 °C

ABUTMENT

Da max - Max shoulder diameter OR 39,5 mm
ras max - Max shaft & housing fillet radius 1 mm