Item # NN3048K, Double Row Cylindrical Roller Bearing w/ Tapered Bore

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	Item # NN3048K, 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		1900 RPM

Limiting Speed - Grease		1600 RPM

Taper		1:12

Precision		ISO Class 0

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		360000 lbf 1600000 N 1600.00 kN

Dynamic Load Rating		192000 lbf 855000 N 855.00 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		9.4488 in 240.000 mm

D		14.1732 in 360.000 mm

B		3.6220 in 92.000 mm

C		3.6220 in 92.000 mm

Ew		12.9921 in 330.000 mm

r		0.1181 in 3.000 mm

da min		9.9606 in 253.000 mm

db min		10.2756 in 261.000 mm

Da max		13.1102 in 333.000 mm

Db min		13.1102 in 333.000 mm

Db max		13.6614 in 347.000 mm

ras max		0.0984 in 2.500 mm

Item # NN3048K, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN