Item # NN3084, Double Row Cylindrical Roller Bearing w/ Cylindrical Bore

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	Item # NN3084, Double Row Cylindrical Roller Bearing w/ Cylindrical 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		Cylindrical

Material		Hardened Alloy Steel

Cage Material		High Strength, 2 piece, Machined Brass

Limiting Speed - Oil		990 RPM

Limiting Speed - Grease		840 RPM

Precision		ISO Class 0

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		965000 lbf 4300000 N 4300.00 kN

Dynamic Load Rating		470000 lbf 2080000 N 2080.00 kN

Enclosure		Open

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

Dimensional Specifications

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

d		16.5354 in 420.000 mm

D		24.4094 in 620.000 mm

B		5.9055 in 150.000 mm

C		5.9055 in 150.000 mm

Ew		22.3228 in 567.000 mm

r		0.1969 in 5.000 mm

da min		17.3228 in 440.000 mm

db min		17.7953 in 452.000 mm

Db min		22.4803 in 571.000 mm

Db max		23.6220 in 600.000 mm

ras max		0.1575 in 4.000 mm

Item # NN3084, Double Row Cylindrical Roller Bearing w/ Cylindrical Bore - Type NN