71450 - 71751DC Bearing

 

 

 

Series	71000
Cone Part Number	71450
Cup Part Number	71751DC
Design Unit	Inch
Cage Material	Stamped Steel
Related Assembly Number(s)	71450-9012371450-902A471450-902B271450-902B7

d - Bore	4 1/2 in114.300 mm
D - Cup Outer Diameter	7.5 in190.5 mm
B - Cone Width	1.9375 in49.213 mm
C - Double Cup Width	3.1875 in80.963 mm
T - Bearing Width across Cones	4.1874 in106.360 mm

Abutment and Fillet Dimensions

R - Cone Backface "To Clear" Radius1	0.14 in3.600 mm
r - Cup Backface "To Clear" Radius2	0.06 in1.5 mm
db - Cone Backface Backing Diameter	5.2 in132 mm
Da - Cup Frontface Backing Diameter	7.17 in182.12 mm
Aa - Cage-Cone Backface Clearance	0.18 in4.6 mm
a - Effective Center Location3	-0.26 in-6.6 mm

C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4	21200 lbf94300 N
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5	142000 lbf633000 N
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6	36900 lbf164000 N
Ca90 - Dynamic Thrust Rating (90 million revolutions)7	15100 lbf67100 N

K - Factor8	1.4
e - ISO Factor9	0.42
Y1 - ISO Factor10	1.62
Y2 - ISO Factor11	2.42
Cg - Geometry Factor12	0.116

 

Key Features:
Tapered Roller Design: The distinctive feature of these bearings lies in their conical shape, allowing them to accommodate both radial and axial loads efficiently.
High Load Capacity: Due to their design and robust construction, these bearings can withstand heavy loads and operate under demanding conditions.
Precision Manufacturing: Modern manufacturing techniques ensure high precision in the bearing components, leading to smooth operation and extended service life.
Wide Range of Sizes: The 71450 - 71751DC series offers a variety of sizes to suit different applications and equipment requirements.
Advantages:

High Load Carrying Capacity: As mentioned, they excel in handling both radial and axial loads simultaneously.
High Speed Capability: Many designs within this series are capable of operating at high speeds.
Versatility: Their adaptability makes them suitable for a wide range of applications across various industries.
Relatively Easy Maintenance: Regular inspection and lubrication are typically sufficient to maintain optimal performance.
Applications:

Automotive Industry: Widely used in transmissions, differentials, and wheel hubs.
Heavy Machinery: Found in construction equipment, mining machinery, and industrial gearboxes.
Wind Turbines: Essential components in the main shaft and gearbox assemblies.
Railroad Applications: Utilized in locomotives, railcars, and other rolling stock.

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