Item # NN3018KC1NAP4, Double Row Cylindrical Roller Bearing w/ Tapered Bore

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	Item # NN3018KC1NAP4, 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		Order Online through NTN DOL Contact NTN Customer Relations Search for a Licensed Distributor

Technical Specifications

Type		Cylindrical Roller Bearing

Bore Type		Tapered

Material		Hardened Alloy Steel

Cage Material		High Strength, 2 piece, Machined Brass

Limiting Speed - Oil		5300 RPM

Limiting Speed - Grease		4500 RPM

Taper		1:12

Precision		ISO Class 4

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		C1NA

Static Load Rating		51500 lbf 228000 N 228.00 kN

Dynamic Load Rating		32000 lbf 143000 N 143.00 kN

Enclosure		Open

Weight		4.403 lb 1.997 kg

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		3.5433 in 90.000 mm

D		5.5118 in 140.000 mm

B		1.4567 in 37.000 mm

C		1.4567 in 37.000 mm

Ew		5.0000 in 127.000 mm

r		0.0591 in 1.500 mm

da min		3.8583 in 98.000 mm

db min		3.9764 in 101.000 mm

Da max		5.0787 in 129.000 mm

Db min		5.0787 in 129.000 mm

Db max		5.1969 in 132.000 mm

ras max		0.0591 in 1.500 mm

Item # NN3018KC1NAP4, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN