Item # 30221, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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	Item # 30221, 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		2500 RPM

Limiting Speed - Grease		1900.0 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		85500 lbf 380000 N 380.00 kN

Dynamic Load Rating		64500 lbf 287000 N 287.00 kN

Enclosure		Open

Weight		9.678 lb 4.390 kg

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

Dimensional Specifications

		Tapered Roller Set - Metric Series - Dimensions larger image

d		4.1339 in 105.000 mm

D		7.4803 in 190.000 mm

C		1.1811 in 30.000 mm

B		1.4173 in 36.000 mm

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

T		1.5354 in 39.000 mm

r		0.0800 in 2.000 mm

R		0.10 in 2.5 mm

da		4.69 in 119.0 mm

db		4.80 in 122.0 mm

Da		7.01 in 178.0 mm

Da min		6.50 in 165.0 mm

Db		7.01 in 178.0 mm

Item # 30221, Tapered Roller Set - Metric Series