Item # RNAO-18X30X12, Machined-Ring Needle Roller Bearings - Separable Type w/o Inner Ring On NTN Bearing Corp. of America

Search Catalog



	All Categories Machined-Ring Needle Roller Bearings - Separable Type w/o Inner Ring


	Item # RNAO-18X30X12, Machined-Ring Needle Roller Bearings - Separable Type w/o Inner Ring

Unit of Measure: Imperial Metric Both

Order Now · Technical Specifications · Dimensional Specifications

Order Now

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, Separable Type

Configuration		One

Bearing Design		w/o Inner Ring

Material		High Carbon Chrome Steel

Cage Material		Steel

Limiting Speed - Oil		21000 RPM

Limiting Speed - Grease		14000 RPM

Precision		ISO Class 0

Enclosure		Open

Static Load Rating		3100 lbf 13800 N 13.80 kN

Dynamic Load Rating		2770 lbf 12300 N 12.30 kN

Weight		0.077 lb 0.035 kg

Operating Temperature Range		-40 to 250 ºF -40 to 120 ºC

Dimensional Specifications

		Machined-Ring Needle Roller Bearings - Separable Type w/o Inner Ring - Dimensions larger image

Fw		0.7087 in 18.000 mm

D		1.1811 in 30.000 mm

E		0.9449 in 24.000 mm

C		0.4724 in 12.000 mm

r		0.0118 in 0.300 mm

Da max		1.1024 in 28.000 mm

db min		0.9291 in 23.600 mm

ras max		0.0118 in 0.300 mm

Item # RNAO-18X30X12, Machined-Ring Needle Roller Bearings - Separable Type w/o Inner Ring