Koyo Needle Roller, WJ Inch Series, 4 in Bore, 18800 lbf Dynamic Load

Description

Koyo Needle Roller and Cage Assembly, Sigma Type Single Row Radial, Series: WJ Inch Series, 4 in Bore, 4-1/2 in OD, 1 in Width, For Shaft Diameter: 4 in, 18800 lbf Dynamic/37450 lbf Static Load, Steel, 2700 rpm Grease/4200 rpm Oil Maximum, 250 deg F

Features:

• Unitized design simplifies handling and installation while allowing for increased lube flow
• Split and segmented designs allow mounting at difficult positions on crankshafts and gear shafts
• Controlled contour rollers optimize contact stress distribution
• Special manufacturing processes help increase roller fatigue resistance and minimize axial drift effects in critical applications
• Optimized cage piloting geometry minimizes pressure velocity effects

Applications:

Automotive and Truck Transmissions, Agricultural and Construction Equipment, 2-Cycle Engines, Pumps and Compressors

Standards/Approval:

• ANSI/ABMA 18.2

Bore Diameter	4 in
For Shaft Diameter	4 in
Load Capacity	18800 lbf Dynamic/37450 lbf Static
Material	Steel
Maximum Speed	2700 rpm Grease/4200 rpm Oil
Outside Diameter	4-1/2 in
Series	WJ Inch Series
Temperature Rating	250 deg F
Type	Sigma Type Single Row Radial
Width	1 in
Manufacturer	Koyo