cylindrical bearing nomenclature RS-4868E4 NSK

What is the best place to buy cylindrical bearing nomenclature RS-4868E4 NSK online? CYLINDRICAL ROLLER BEARINGS Manufacturing Kevin Global Machinery Parts Company Service LL580010 Cup Part Number . LL580000 Series

Series: LL580000
Cone Part Number: LL580049
Cup Part Number: LL580010
Design Units: Imperial
Bearing Weight: 23.1 Kg
Cage Type: Stamped Steel
d: 615.950 mm
D: 708.025 mm
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Product Details

Series LL580000
Cone Part Number LL580049
Cup Part Number LL580010
Design Units Imperial
Bearing Weight 23.1 Kg
Cage Type Stamped Steel
d 615.950 mm
D 708.025 mm
B - Cone Width 41.275 mm
C - Cup Width 29.367 mm
B 41.275 mm
R - Cone Backface To Clear Radius1 3.560 mm
r - Cup Backface To Clear Radius2 3.30 mm
da - Cone Frontface Backing Diameter 629.92 mm
db - Cone Backface Backing Diameter 632.97 mm
Da - Cup Frontface Backing Diameter 690.63 mm
Db - Cup Backface Backing Diameter 687.07 mm
Ab - Cage-Cone Frontface Clearance 4.8 mm
Aa - Cage-Cone Backface Clearance 1.5 mm
a - Effective Center Location3 61.7 mm
C90 - Dynamic Radial Rating (90 million revolutions)4 35200 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5 136000 lbf
C0 - Static Radial Rating 414000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 23400 lbf
K - Factor7 1.51
e - ISO Factor8 0.39
Y - ISO Factor9 1.55
G1 - Heat Generation Factor (Roller-Raceway) 6270
G2 - Heat Generation Factor (Rib-Roller End) 2020
Cg - Geometry Factor 0.242
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