Item # MR486028, 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 # MR486028, 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		5000 RPM

Limiting Speed - Grease		3300.0 RPM

Enclosure		Open

Static Load Rating		51000 lbf 227000 N 227.00 kN

Dynamic Load Rating		25200 lbf 112000 N 112.00 kN

Weight		1.435 lb 0.651 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		3.0000 in 76.200 mm

Fw Tolerance		0.049/0.030 mm

D		3.7500 in 95.250 mm

C		1.7500 in 44.450 mm

r		0.0787 in 2.000 mm

Da max		3.4252 in 87.000 mm

ras max		0.0787 in 2.000 mm

Item # MR486028, Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series