Item # 30211, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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	Item # 30211, 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		4900 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)		0.40

Y2 (Axial Load Factor)		1.48

Y0 (Axial Load Factor)		0.81

Static Load Rating		25000 lbf 111000 N 111.00 kN

Dynamic Load Rating		20900 lbf 93000 N 93.00 kN

Enclosure		Open

Weight		1.631 lb 0.740 kg

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

Dimensional Specifications

		Tapered Roller Set - Metric Series - Dimensions larger image

d		2.1654 in 55.000 mm

D		3.9370 in 100.000 mm

C		0.7087 in 18.000 mm

B		0.8268 in 21.000 mm

a (Effective Load Center)		-0.0689 in -1.750 mm

T		0.8957 in 22.750 mm

r		0.0600 in 1.500 mm

R		0.08 in 2.0 mm

da		2.56 in 65.0 mm

db		2.52 in 64.0 mm

Da		3.60 in 91.5 mm

Da min		3.46 in 88.0 mm

Db		3.70 in 94.0 mm

Item # 30211, Tapered Roller Set - Metric Series