Item # NN3028T2KC1NAP4, Double Row Cylindrical Roller Bearing w/ Tapered Bore

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	Item # NN3028T2KC1NAP4, 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		Nylon

Limiting Speed - Oil		3300 RPM

Limiting Speed - Grease		2800 RPM

Taper		1:12

Precision		ISO Class 4

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		C1NA

Static Load Rating		116000 lbf 515000 N 515.00 kN

Dynamic Load Rating		67000 lbf 298000 N 298.00 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		5.5118 in 140.000 mm

D		8.2677 in 210.000 mm

B		2.0866 in 53.000 mm

C		2.0866 in 53.000 mm

Ew		7.5591 in 192.000 mm

r		0.0787 in 2.000 mm

da min		5.8661 in 149.000 mm

db min		6.0236 in 153.000 mm

Da max		7.6378 in 194.000 mm

Db min		7.6378 in 194.000 mm

Db max		7.9134 in 201.000 mm

ras max		0.0787 in 2.000 mm

Item # NN3028T2KC1NAP4, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN