Item # NN3080K, Double Row Cylindrical Roller Bearing w/ Tapered Bore

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	Item # NN3080K, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN

The rollers in the NN type bearing are guided by the ribs of the inner ring.

Unit of Measure: Imperial Metric Both

Order Now · Technical Specifications · Dimensional Specifications

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Ordering Options		Contact NTN Customer Relations

Technical Specifications

Type		Cylindrical Roller Bearing

Bore Type		Tapered

Material		Hardened Alloy Steel

Cage Material		High Strength, 2 piece, Machined Brass

Limiting Speed - Oil		1000 RPM

Limiting Speed - Grease		880 RPM

Taper		1:12

Precision		ISO Class 0

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		935000 lbf 4150000 N 4150.00 kN

Dynamic Load Rating		460000 lbf 2040000 N 2040.00 kN

Enclosure		Open

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

Dimensional Specifications

		Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN - Dimensions larger image

d		15.7480 in 400.000 mm

D		23.6220 in 600.000 mm

B		5.8268 in 148.000 mm

C		5.8268 in 148.000 mm

Ew		21.5354 in 547.000 mm

r		0.1969 in 5.000 mm

da min		16.5354 in 420.000 mm

db min		17.0079 in 432.000 mm

Da max		21.6929 in 551.000 mm

Db min		21.6929 in 551.000 mm

Db max		22.8346 in 580.000 mm

ras max		0.1575 in 4.000 mm

Item # NN3080K, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN