EE790120-90027 Bearing

 

Series	790000
Cone Part Number	EE790120
Cup Part Number	790221
Design Unit	Inch
Cage Material	Pin-Type
Related Assembly Number(s)	EE790120-90027EE790120-90044

Dimensions

d - Bore	12 in304.8 mm
D - Cup Outer Diameter	22.0000 in558.800 mm
B - Cone Width	5.3750 in136.525 mm
C - Cup Width	3.8750 in98.425 mm
T - Bearing Width	5.3750 in136.525 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1	0.050 in1.300 mm
r - Cup Backface "To Clear" Radius2	0.250 in6.35 mm
da - Cone Frontface Backing Diameter	13.19 in335 mm
db - Cone Backface Backing Diameter	13.19 in335 mm
Da - Cup Frontface Backing Diameter	20.30 in515.60 mm
Db - Cup Backface Backing Diameter	19.72 in500.89 mm
Ab - Cage-Cone Frontface Clearance	0.34 in8.6 mm
Aa - Cage-Cone Backface Clearance	0.75 in19.1 mm
a - Effective Center Location3	-0.96 in-24.4 mm

Basic Load Ratings

C90 - Dynamic Radial Rating (90 million revolutions)4	180000 lbf802000 N
C1 - Dynamic Radial Rating (1 million revolutions)5	695000 lbf3090000 N
C0 - Static Radial Rating	923000 lbf4100000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)6	122000 lbf542000 N

Factors

K - Factor7	1.48
e - ISO Factor8	0.4
Y - ISO Factor9	1.52
G1 - Heat Generation Factor (Roller-Raceway)	2660
G2 - Heat Generation Factor (Rib-Roller End)	170
Cg - Geometry Factor10	0.190

The EE790120-90027 tapered roller bearing is engineered for applications requiring high radial and axial load capacities. Its unique design features tapered rollers and raceways, which are precisely aligned to distribute loads evenly, ensuring optimal performance under heavy-duty conditions. This bearing is particularly effective in managing combined loads, making it a reliable choice for industries such as automotive, construction, and heavy machinery. Its robust construction and precision engineering contribute to reduced friction and enhanced operational efficiency.

A standout advantage of the EE790120-90027 bearing is its durability and long service life. Manufactured from high-quality steel, it offers excellent resistance to wear, fatigue, and harsh environmental conditions. The bearing's design allows for easy installation and adjustment, ensuring proper alignment and minimizing the risk of premature failure. Its ability to operate smoothly at high speeds and under significant stress makes it a preferred component in applications like wheel hubs, gearboxes, and conveyor systems.

The EE790120-90027 tapered roller bearing is widely used in industries where reliability and performance are critical. Its ability to handle both radial and thrust loads makes it ideal for heavy equipment, such as mining machinery, agricultural vehicles, and industrial gearboxes. Additionally, its versatility extends to applications in wind turbines and railway systems, where it provides consistent performance under varying loads and conditions. With its combination of strength, precision, and adaptability, this bearing is a trusted solution for demanding mechanical systems.

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