EE991251-992550

EE991251-992550 TS (Tapered Single Roller Bearings) (Imperial)
Part Number EE991251-992550
Brand: LILY Brand: LILY
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Equivalent: Timken
System of Measurement Inch
Type Bearing
Cone Part Number EE991251
Cup Part Number 992550
Bearing Type Roller
Roller Bearing Type Tapered Roller
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 990000
Bore Dia 12.5"
Bore Dia Tolerance +0.002" to 0
Outer Dia 25.5"
Outer Dia Tolerance +0.003" to 0
Cone Width 4.75"
Cone Width Tolerance +0.003" to -0.01
Cup Width 3.5"
Cup Width Tolerance +0.002" to -0.01
Width 5.5"
Width Tolerance +0.015" to -0.015"
Cone Backface ToClear Radius 0.530"
Cup Backface ToClear Radius 0.530"
Cone Frontface Backing Diameter 16.14"
Cone Backface Backing Diameter 15.51"
Cup Frontface Backing Diameter 23.39"
Cup Backface Backing Diameter 21.50"
Cage Cone Frontface Clearance 0.92"
Cage Cone Backface Clearance 1.01"
Effective Center Location 2.17"
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Pin-Type
Dynamic Radial Load 528000 lbf
Static Radial Load 790000 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 137000 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 203000 lbf
Lubrication Required
Temperature Range -30° to 110 °C
ABEC Rating ABEC-1
Radial Clearance Standard (Available in C3/C4/C5)
RoHS Compliant
REACH Compliant
Weight 407.40 lb

EE991251-992550 TS (Single Row Tapered Roller Bearings) (Imperial) consist of a tapered inner ring assembly and an outer ring. EE991251-992550 bore dia is 12.5". Its out dia is 25.5". EE991251-992550 roller material is Chrome Steel. Its seal type is Open. The EE991251-992550 TS (Single Row Tapered Roller Bearings) (Imperial) can bear both radial and axial loads with ease and provides low friction during operation even under the most severe conditions.


Typical applications include:

Gearing Systems and Transmissions, Thermal Power Coal Transporters, Port Equipment, Rubber and other Industrial applications, Machine Tool Spindles, Gear Reducer, Automotive Drive Axle, Aircraft wheels, Agricultural Wheels, Tensioning Roller, Raking Machine, Single Row and Mining Equipment, Railroad Axle-box, etc.


General Selection Factors

Several factors must be considered for choosing tapered roller bearings. These factors include the roller material, design, shields and seals, cage, Annual Bearing Engineering Committee (ABEC) grade, radial clearance, and lubricant, etc.

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