Item # NN3052K, Double Row Cylindrical Roller Bearing w/ Tapered Bore

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	Item # NN3052K, 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		1700 RPM

Limiting Speed - Grease		1500 RPM

Taper		1:12

Precision		ISO Class 0

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		445000 lbf 1990000 N 1990.00 kN

Dynamic Load Rating		238000 lbf 1060000 N 1060.00 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		10.2362 in 260.000 mm

D		15.7480 in 400.000 mm

B		4.0945 in 104.000 mm

C		4.0945 in 104.000 mm

Ew		14.3307 in 364.000 mm

r		0.1575 in 4.000 mm

da min		10.8661 in 276.000 mm

db min		11.2205 in 285.000 mm

Da max		14.4488 in 367.000 mm

Db min		14.4488 in 367.000 mm

Db max		15.1181 in 384.000 mm

ras max		0.1181 in 3 mm

Item # NN3052K, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN