Item # NH311, Cylindrical Roller Bearing w/ One Lip Inner Ring w/ Outer Ring & Roller Assembly, Separate Thrust Collar- NH Series On NTN Bearing Corp. of America

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	Item # NH311, Cylindrical Roller Bearing w/ One Lip Inner Ring w/ Outer Ring & Roller Assembly, Separate Thrust Collar- NH 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		Cylindrical Roller Bearing

Bore Type		Round

Material		Hardened Alloy Steel

Cage Material		Pressed Steel

Configuration		One

Tolerance		ISO Class 0 (RBEC 1)

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		25000 lbf 111000 N 111.00 kN

Dynamic Load Rating		25000 lbf 111000 N 111.00 kN

Enclosure		Open

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

Dimensional Specifications

		Cylindrical Roller Bearing w/ One Lip Inner Ring w/ Outer Ring & Roller Assembly, Separate Thrust Collar- NH Series - Dimensions larger image

d		2.1654 in 55.000 mm

D		4.7244 in 120.000 mm

B		1.1417 in 29.000 mm

Fw		2.7756 in 70.500 mm

d1		3.0394 in 77.200 mm

B1		0.3543 in 9.000 mm

B2		0.5906 in 15.000 mm

J		3.0394 in 77.200 mm

r		0.0787 in 2.000 mm

r1		0.0787 in 2.000 mm

da min		2.5197 in 64.000 mm

db min		2.5197 in 64.000 mm

Da max		4.3701 in 111.000 mm

Db max		4.3701 in 111.000 mm

Db min		4.2126 in 107.000 mm

Item # NH311, Cylindrical Roller Bearing w/ One Lip Inner Ring w/ Outer Ring & Roller Assembly, Separate Thrust Collar- NH Series