Item # 30228, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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	Item # 30228, Tapered Roller Set - Metric Series

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Tapered Roller Set - Metric Series - Dimensions

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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		1900 RPM

Limiting Speed - Grease		1400 RPM

Style		Cone & Cup

Precision Rating		Class 0

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.44

Y2 (Axial Load Factor)		1.39

Y0 (Axial Load Factor)		0.76

Static Load Rating		128000 lbf 570000 N 570.00 kN

Dynamic Load Rating		94500 lbf 420000 N 420.00 kN

Enclosure		Open

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

Dimensional Specifications

		Tapered Roller Set - Metric Series - Dimensions larger image

d		5.5118 in 140.000 mm

D		9.8425 in 250.000 mm

C		1.2598 in 32.000 mm

B		1.6535 in 42.000 mm

a (Effective Load Center)		0.1083 in 2.750 mm

r1as max		0.0984 in 3.000 mm

T		1.8012 in 45.750 mm

r		0.1200 in 3.000 mm

R		0.16 in 4.0 mm

da		158.0 mm

db		6.42 in 163.0 mm

Da		9.29 in 236.0 mm

Da min		8.62 in 219.0 mm

Db		9.33 in 237.0 mm

ras max		0.0984 in 3 mm

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Item # 30228, Tapered Roller Set - Metric Series

Ordering Options

Type

Bore Type

Material

Limiting Speed - Oil

Limiting Speed - Grease

Style

Precision Rating

Configuration

Lubrication

e (Axial Load Factor)

Y2 (Axial Load Factor)

Y0 (Axial Load Factor)

Static Load Rating

Dynamic Load Rating

Enclosure

Operating Temperature Range

d

D

C

B

a (Effective Load Center)

r1as max

T

r

R

da

db

Da

Da min

Db

ras max

2014-07-29 | PRESS RELEASE

2014-05-09 | PRESS RELEASE