Item # 30315, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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	Item # 30315, 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		3200 RPM

Limiting Speed - Grease		2400.0 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		68500 lbf 305000 N 305.00 kN

Dynamic Load Rating		57500 lbf 255000 N 255.00 kN

Enclosure		Open

Weight		7.870 lb 3.570 kg

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

Dimensional Specifications

		Tapered Roller Set - Metric Series - Dimensions larger image

d		2.9528 in 75.000 mm

D		6.2992 in 160.000 mm

C		1.2205 in 31.000 mm

B		1.4567 in 37.000 mm

a (Effective Load Center)		-0.3150 in -8.000 mm

T		1.5748 in 40.000 mm

r		0.0800 in 2.000 mm

R		0.10 in 2.5 mm

da		3.50 in 89.0 mm

db		3.74 in 95.0 mm

Da		5.83 in 148.0 mm

Da min		5.47 in 139.0 mm

Db		5.87 in 149.0 mm

Item # 30315, Tapered Roller Set - Metric Series