Item # MR688432, Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series On NTN Bearing Corp. of America

Search Catalog



	All Categories Machined-Ring Needle Roller Bearings w/o Inner Ring


	Item # MR688432, Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series

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		Machined-Ring Needle Roller Bearing

Roller Type		Needle

Bearing Type		Needle Roller Bearing

Material		High Carbon Chrome Steel

Cage Material		Steel

Limiting Speed - Oil		3700 RPM

Limiting Speed - Grease		2500 RPM

Enclosure		Open

Static Load Rating		81000 lbf 360000 N 360.00 kN

Dynamic Load Rating		38500 lbf 172000 N 172.00 kN

Weight		2.998 lb 1.360 kg

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

Dimensional Specifications

		Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series - Dimensions larger image

Fw		4.2500 in 107.950 mm

Fw Tolerance		0.058/0.036 mm

D		5.2500 in 133.350 mm

C		2.0000 in 50.800 mm

r		0.0984 in 2.500 mm

Da max		4.9016 in 124.500 mm

ras max		0.0984 in 2.500 mm

Item # MR688432, Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series