Item # 31320X, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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	Item # 31320X, Tapered Roller Set - Metric 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		Through Hardened Steel

Limiting Speed - Oil		2400 RPM

Limiting Speed - Grease		1800 RPM

Style		Cone & Cup

Precision Rating		Class 0

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.83

Y2 (Axial Load Factor)		0.73

Y0 (Axial Load Factor)		0.40

Static Load Rating		98000 lbf 435000.0 N 435.00 kN

Dynamic Load Rating		80000 lbf 355000 N 355.00 kN

Enclosure		Open

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

Dimensional Specifications

		Tapered Roller Set - Metric Series - Dimensions larger image

d		3.9370 in 100.000 mm

D		8.4646 in 215.000 mm

C		1.3780 in 35.000 mm

B		2.0079 in 51.000 mm

a (Effective Load Center)		0.4921 in 12.500 mm

T		2.2244 in 56.500 mm

r		0.1200 in 3.000 mm

R		0.16 in 4.0 mm

da		118.0 mm

db		4.76 in 121.0 mm

Da		7.91 in 201.0 mm

Da min		6.61 in 168.0 mm

Db		7.95 in 202.0 mm

Item # 31320X, Tapered Roller Set - Metric Series