Item # 31328XUS30-W1ND, Tapered Roller Set - Metric Series On NTN Bearing Corp. of America

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	Item # 31328XUS30-W1ND, 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		1700 RPM

Limiting Speed - Grease		1300 RPM

Style		Cone & Cup

Precision Rating		Class 0

Configuration		One

Lubrication		w/o Oil Hole

e (Axial Load Factor)		0.83

Y2 (Axial Load Factor)		0.73

Y0 (Axial Load Factor)		0.40

Static Load Rating		203000 lbf 905000 N 905.00 kN

Dynamic Load Rating		154000 lbf 685000 N 685.00 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		11.8110 in 300.000 mm

C		1.8504 in 47.000 mm

B		2.7559 in 70.000 mm

a (Effective Load Center)		0.6693 in 17.000 mm

T		3.0315 in 77.000 mm

r		0.1600 in 4.000 mm

R		0.20 in 5.0 mm

da		6.38 in 162.0 mm

db		6.50 in 165.0 mm

Da		11.10 in 282.0 mm

Da min		9.21 in 234.0 mm

Db		11.02 in 280.0 mm

Item # 31328XUS30-W1ND, Tapered Roller Set - Metric Series