Item # MR142212, 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 # MR142212, 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		18000 RPM

Limiting Speed - Grease		12000 RPM

Enclosure		Open

Static Load Rating		5750 lbf 25600 N 25.60 kN

Dynamic Load Rating		4900 lbf 21900 N 21.90 kN

Weight		0.130 lb 0.059 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		0.8750 in 22.225 mm

Fw Tolerance		0.033/0.020 mm

D		1.3750 in 34.925 mm

C		0.7500 in 19.050 mm

r		0.0394 in 1.000 mm

Da max		1.1811 in 30.000 mm

ras max		0.0394 in 1.000 mm

Item # MR142212, Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series