Item # NF344, Cylindrical Roller Bearing - Separable Inner Ring w/ Two Ribs, Outer Ring w/ One Rib On NTN Bearing Corp. of America

Search Catalog



	All Categories ISO Series Single Row Cylindrical Roller Bearings


	Item # NF344, Cylindrical Roller Bearing - Separable Inner Ring w/ Two Ribs, Outer Ring w/ One Rib

Unit of Measure: Imperial Metric Both

Order Now · Technical Specifications · Dimensional Specifications

Order Now

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

Limiting Speed - Oil		1600 RPM

Limiting Speed - Grease		1400 RPM

Configuration		One

Tolerance		ISO Class 0 (RBEC 1)

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		355000 lbf 1570000 N 1570.00 kN

Dynamic Load Rating		268000 lbf 1190000 N 1190.00 kN

Enclosure		Open

Weight		168.213 lb 76.300 kg

Dimensional Specifications

		Cylindrical Roller Bearing - Separable Inner Ring w/ Two Ribs, Outer Ring w/ One Rib - Dimensions larger image

d		8.6614 in 220.000 mm

D		18.1102 in 460.000 mm

B		3.4646 in 88.000 mm

Ew		15.5906 in 396.000 mm

J		12.0866 in 307.000 mm

r		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

r1as max		0.1969 in 5.000 mm

Item # NF344, Cylindrical Roller Bearing - Separable Inner Ring w/ Two Ribs, Outer Ring w/ One Rib