Item # 30310, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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	Item # 30310, 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		Case Carburized Steel

Limiting Speed - Oil		4800 RPM

Limiting Speed - Grease		3600.0 RPM

Style		Cone & Cup

Precision Rating		Class 0

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.35

Y2 (Axial Load Factor)		1.74

Y0 (Axial Load Factor)		0.96

Static Load Rating		34000 lbf 152000 N 152.00 kN

Dynamic Load Rating		29900 lbf 133000 N 133.00 kN

Enclosure		Open

Weight		2.888 lb 1.310 kg

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

Dimensional Specifications

		Tapered Roller Set - Metric Series - Dimensions larger image

d		1.9685 in 50.000 mm

D		4.3307 in 110.000 mm

C		0.9055 in 23.000 mm

B		1.0630 in 27.000 mm

a (Effective Load Center)		-0.2461 in -6.250 mm

T		1.1516 in 29.250 mm

r		0.0800 in 2.000 mm

R		0.10 in 2.5 mm

da		2.44 in 62.0 mm

db		2.56 in 65.0 mm

Da		3.94 in 100.0 mm

Da min		3.74 in 95.0 mm

Db		4.02 in 102.0 mm

Item # 30310, Tapered Roller Set - Metric Series