Item # MR14817848, 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 # MR14817848, 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		1700 RPM

Limiting Speed - Grease		1100 RPM

Enclosure		Open

Static Load Rating		272000 lbf 1210000 N 1210.00 kN

Dynamic Load Rating		115000 lbf 510000 N 510.00 kN

Weight		20.437 lb 9.270 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		9.2500 in 234.950 mm

Fw Tolerance		0.079/0.050 mm

D		11.1250 in 282.575 mm

C		3.0000 in 76.200 mm

r		0.1575 in 4.000 mm

Da max		10.4921 in 266.500 mm

ras max		0.1575 in 4.000 mm

Item # MR14817848, Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series