Product Details

RNA4902 Needle Roller Bearing 20x28x13mm

Model Number 0.5ton
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

RNA4902 Needle Roller Bearing 20x28x13mm Size Chart (mm/inches)

SeriesL69300
Cone Part NumberJK149562
Cup Part NumberJK149563
Design UnitsMETRIC
Bearing Weight0.20 Kg
Cage TypeStamped Steel
d38.000 mm
D63.000 mm
B - Cone Width17.000 mm
C - Cup Width13.500 mm
B17.000 mm
R - Cone Backface To Clear Radius11.270 mm
r - Cup Backface To Clear Radius21.27 mm
da - Cone Frontface Backing Diameter42.42 mm
db - Cone Backface Backing Diameter44.45 mm
Da - Cup Frontface Backing Diameter60.96 mm
Db - Cup Backface Backing Diameter55.88 mm
Ab - Cage-Cone Frontface Clearance1.8 mm
Aa - Cage-Cone Backface Clearance0 mm
a - Effective Center Location3-2.3 mm
C90 - Dynamic Radial Rating (90 million revolutions)413200 N
C1 - Dynamic Radial Rating (1 million revolutions)551000 N
C0 - Static Radial Rating55000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)69410 N
K - Factor71.4
e - ISO Factor80.42
Y - ISO Factor91.44
G1 - Heat Generation Factor (Roller-Raceway)18.4
G2 - Heat Generation Factor (Rib-Roller End)13.6
Cg - Geometry Factor0.0692
All Products Contact Now