Item # MR101812, 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 # MR101812, 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		25000 RPM

Limiting Speed - Grease		17000 RPM

Enclosure		Open

Static Load Rating		3750 lbf 16700 N 16.70 kN

Dynamic Load Rating		3750 lbf 16700 N 16.70 kN

Weight		0.110 lb 0.050 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		0.6250 in 15.875 mm

Fw Tolerance		0.027/0.016 mm

D		1.1250 in 28.575 mm

C		0.7500 in 19.050 mm

r		0.0236 in 0.600 mm

Da max		0.9646 in 24.500 mm

ras max		0.0236 in 0.600 mm

Item # MR101812, Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series