Item # 45291/45220, Tapered Roller Set - Inch Series and J Series On NTN Bearing Corp. of America

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	Item # 45291/45220, Tapered Roller Set - Inch Series and J Series

Unit of Measure: Imperial Metric Both

Order Now · Technical Specifications · Dimensional Specifications

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Ordering Options		Find a Distributor Contact NTN Customer Support Specialist Order through NTN DOL (Authorized Distributors Only)

Technical Specifications

Type		Tapered Roller Bearing

Bore Type		Round

Material		Case Carburized Steel

Style		Cone & Cup

Precision Rating		Class 2

Cone Number		45291

Cup Number		45220

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.33

Y2 (Axial Load Factor)		1.80

Static Load Rating		42500 lbf 188000 N 188.00 kN

Dynamic Load Rating		31500 lbf 139000 N 139.00 kN

Enclosure		Open

Operating Temperature Range		-40 to 250 ºF -40 to 120 ºC

Dimensional Specifications

		Tapered Roller Set - Inch Series and J Series - Dimensions larger image

B		2.2500 in 57.150 mm

D		4.1250 in 104.775 mm

Wo		0.9375 in 23.813 mm

Wi		1.2188 in 30.958 mm

W		1.1875 in 30.162 mm

r		0.1300 in 3.300 mm

R		0.25 in 6.4 mm

a (Effective Load Center)		-0.3200 in -8.100 mm

U		2.99 in 76.0 mm

V		2.56 in 65.0 mm

X		3.90 in 99.0 mm

Z		3.66 in 93.0 mm

Item # 45291/45220, Tapered Roller Set - Inch Series and J Series