Item # 30220, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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	Item # 30220, 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		2700 RPM

Limiting Speed - Grease		2000.0 RPM

Style		Cone & Cup

Precision Rating		Class 0

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.42

Y2 (Axial Load Factor)		1.43

Y0 (Axial Load Factor)		0.79

Static Load Rating		75500 lbf 335000 N 335.00 kN

Dynamic Load Rating		58000 lbf 258000 N 258.00 kN

Enclosure		Open

Weight		8.333 lb 3.780 kg

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		7.0866 in 180.000 mm

C		1.1417 in 29.000 mm

B		1.3386 in 34.000 mm

a (Effective Load Center)		-0.0394 in -1.000 mm

T		1.4567 in 37.000 mm

r		0.0800 in 2.000 mm

R		0.10 in 2.5 mm

da		4.49 in 114.0 mm

db		4.57 in 116.0 mm

Da		6.61 in 168.0 mm

Da min		6.18 in 157.0 mm

Db		6.61 in 168.0 mm

Item # 30220, Tapered Roller Set - Metric Series