Item # NH344, 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 # NH344, 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		High Strength, 2 piece, Machined Brass

Configuration		One

Tolerance		ISO Class 0 (RBEC 1)

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		128000 lbf 1570000 N 570.00 kN

Dynamic Load Rating		96500 lbf 1190000 N 430.00 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		8.6614 in 220.000 mm

D		18.1102 in 460.000 mm

B		3.4646 in 88.000 mm

Fw		11.1811 in 284.000 mm

d1		12.0866 in 307.000 mm

B1		0.7874 in 20.000 mm

B2		1.4173 in 36.000 mm

J		12.0866 in 307.000 mm

r		0.1969 in 5.000 mm

r1		0.1969 in 5.000 mm

da min		9.4488 in 240.000 mm

db min		9.4488 in 240.000 mm

Da max		17.3228 in 440.000 mm

Db max		17.3228 in 440.000 mm

Db min		15.8268 in 402.000 mm

Item # NH344, Cylindrical Roller Bearing w/ One Lip Inner Ring w/ Outer Ring & Roller Assembly, Separate Thrust Collar- NH Series