Item # NAO-12X28X12, Machined-Ring Needle Roller Bearings - Separable Type w/ Inner Ring On NTN Bearing Corp. of America

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	Item # NAO-12X28X12, Machined-Ring Needle Roller Bearings - Separable Type w/ Inner Ring

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 - Separable Type

Bore Type		Round

Material		High Carbon Chrome Steel

Cage Material		Steel

Limiting Speed - Oil		23000 RPM

Limiting Speed - Grease		15000 RPM

Precision		ISO Class 0

Configuration		One

Enclosure		Open

Bearing Design		w/ Inner Ring

Oil Hole		w/ Oil Hole

Radial Internal Clearance		CN

Static Load Rating		2810 lbf 12500 N 12.50 kN

Dynamic Load Rating		2630 lbf 11700 N 11.70 kN

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

Dimensional Specifications

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

d		0.4724 in 12.000 mm

D		1.1024 in 28.000 mm

F		0.6299 in 16.000 mm

E		0.8661 in 22.000 mm

C		0.4724 in 12.000 mm

r		0.0118 in 0.300 mm

da min		0.5512 in 14.000 mm

Da max		1.0236 in 26.000 mm

db min		0.8504 in 21.600 mm

Db max		0.6457 in 16.400 mm

ras max		0.0118 in 0.300 mm

Item # NAO-12X28X12, Machined-Ring Needle Roller Bearings - Separable Type w/ Inner Ring