Item # MR202820, 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 # MR202820, 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		13000 RPM

Limiting Speed - Grease		8500 RPM

Enclosure		Open

Static Load Rating		15300 lbf 68000.0 N 68.00 kN

Dynamic Load Rating		9800 lbf 43500 N 43.50 kN

Weight		0.300 lb 0.136 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		1.2500 in 31.750 mm

Fw Tolerance		0.041/0.025 mm

D		1.7500 in 44.450 mm

C		1.2500 in 31.750 mm

r		0.0394 in 1.000 mm

Da max		1.5551 in 39.500 mm

ras max		0.0394 in 1.000 mm

Item # MR202820, Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA49.R, RNA59, RNA69.R, NK.R, MR Series