Item # NN3044K, Double Row Cylindrical Roller Bearing w/ Tapered Bore

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	Item # NN3044K, 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		2100 RPM

Limiting Speed - Grease		1700 RPM

Taper		1:12

Precision		ISO Class 0

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		335000 lbf 1480000 N 1480.00 kN

Dynamic Load Rating		183000 lbf 815000 N 815.00 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		8.6614 in 220.000 mm

D		13.3858 in 340.000 mm

B		3.5433 in 90.000 mm

C		3.5433 in 90.000 mm

Ew		12.2047 in 310.000 mm

r		0.1181 in 3.000 mm

da min		9.1732 in 233.000 mm

db min		9.4488 in 240.000 mm

Da max		12.3228 in 313.000 mm

Db min		12.3228 in 313.000 mm

Db max		12.8740 in 327.000 mm

ras max		0.0984 in 2.500 mm

Item # NN3044K, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN