Item # MR567228, Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series On NTN Bearing Corp. of America

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	Item # MR567228, 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

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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		4500 RPM

Limiting Speed - Grease		3000.0 RPM

Enclosure		Open

Static Load Rating		59500 lbf 264000 N 264.00 kN

Dynamic Load Rating		31500 lbf 141000 N 141.00 kN

Weight		2.381 lb 1.080 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		3.5000 in 88.900 mm

Fw Tolerance		0.058/0.036 mm

D		4.5000 in 114.300 mm

C		1.7500 in 44.450 mm

r		0.0787 in 2.000 mm

Da max		4.1929 in 106.500 mm

ras max		0.0787 in 2.000 mm

Item # MR567228, Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series