Item # NN3056K, Double Row Cylindrical Roller Bearing w/ Tapered Bore

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	Item # NN3056K, 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		1600 RPM

Limiting Speed - Grease		1300 RPM

Taper		1:12

Precision		ISO Class 0

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		470000 lbf 2080000 N 2080.00 kN

Dynamic Load Rating		243000 lbf 1080000 N 1080.00 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		11.0236 in 280.000 mm

D		16.5354 in 420.000 mm

B		4.1732 in 106.000 mm

C		4.1732 in 106.000 mm

Ew		15.1181 in 384.000 mm

r		0.1575 in 4.000 mm

da min		11.6535 in 296.000 mm

db min		12.0079 in 305.000 mm

Da max		15.2362 in 387.000 mm

Db min		15.2362 in 387.000 mm

Db max		15.9055 in 404.000 mm

ras max		0.1181 in 3 mm

Item # NN3056K, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN