Item # N312G1, Cylindrical Roller Bearing - Inner Ring w/ Two Ribs, Separable, Plain Outer Ring

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	Item # N312G1, Cylindrical Roller Bearing - Inner Ring w/ Two Ribs, Separable, Plain Outer Ring - N Type

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		Cylindrical Roller Bearing

Bore Type		Round

Material		Hardened Alloy Steel

Cage Material		High Strength Machined Brass Rivetless w/ square holes

Limiting Speed - Oil		6500 RPM

Limiting Speed - Grease		5500 RPM

Precision		ISO Class 0

Configuration		One

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		28300 lbf 126000.0 N 126.00 kN

Dynamic Load Rating		27900 lbf 124000 N 124.00 kN

Enclosure		Open

Weight		4.114 lb 1.866 kg

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

Dimensional Specifications

		Cylindrical Roller Bearing - Inner Ring w/ Two Ribs, Separable, Plain Outer Ring - Dimensions larger image

d		2.3622 in 60.000 mm

D		5.1181 in 130.000 mm

B		1.2205 in 31.000 mm

Ew		4.4488 in 113.000 mm

J		3.3150 in 84.200 mm

r		0.0787 in 2.000 mm

da min		2.7953 in 71.000 mm

db min		2.7953 in 71.000 mm

Da max		4.6850 in 119.000 mm

Db max		4.6850 in 119.000 mm

Db min		4.6850 in 119.000 mm

r1as max		0.0787 in 2.000 mm

Item # N312G1, Cylindrical Roller Bearing - Inner Ring w/ Two Ribs, Separable, Plain Outer Ring - N Type