Item # NN3022KD1NAP4, Double Row Cylindrical Roller Bearing w/ Tapered Bore & Oil Hole

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	Item # NN3022KD1NAP4, Double Row Cylindrical Roller Bearing w/ Tapered Bore & Oil Hole - 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		4300 RPM

Limiting Speed - Grease		3600 RPM

Taper		1:12

Precision		ISO Class 4

Configuration		Two

Oil Hole		w/ Oil Hole

Radial Internal Clearance		C0NA

Static Load Rating		84500 lbf 375000 N 375.00 kN

Dynamic Load Rating		51500 lbf 229000 N 229.00 kN

Enclosure		Open

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

Dimensional Specifications

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

d		4.3307 in 110.000 mm

D		6.6929 in 170.000 mm

B		1.7717 in 45.000 mm

C		1.7717 in 45.000 mm

Ew		6.1024 in 155.000 mm

r		0.0787 in 2.000 mm

da min		4.6850 in 119.000 mm

db min		4.8425 in 123.000 mm

Da max		6.1811 in 157.000 mm

Db min		6.1811 in 157.000 mm

Db max		6.3386 in 161.000 mm

ras max		0.0787 in 2.000 mm

Item # NN3022KD1NAP4, Double Row Cylindrical Roller Bearing w/ Tapered Bore & Oil Hole - Type NN