Item # MR10412840, 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 # MR10412840, 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		2400 RPM

Limiting Speed - Grease		1600.0 RPM

Enclosure		Open

Static Load Rating		153000 lbf 680000 N 680.00 kN

Dynamic Load Rating		73000 lbf 325000 N 325.00 kN

Weight		8.863 lb 4.020 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		6.5000 in 165.100 mm

Fw Tolerance		0.068/0.043 mm

D		8.0000 in 203.200 mm

C		2.5000 in 63.500 mm

r		0.1181 in 3.000 mm

Da max		7.4803 in 190.000 mm

ras max		0.1181 in 3 mm

Item # MR10412840, Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series