Item # NN4960, Double Row Cylindrical Roller Bearing w/ Cylindrical Bore

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	Item # NN4960, Double Row Cylindrical Roller Bearing w/ Cylindrical 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		Cylindrical

Material		Hardened Alloy Steel

Cage Material		High Strength, 2 piece, Machined Brass

Limiting Speed - Oil		1500 RPM

Limiting Speed - Grease		1300 RPM

Precision		ISO Class 0

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		630000 lbf 2800000 N 2800.00 kN

Dynamic Load Rating		270000 lbf 1200000 N 1200.00 kN

Enclosure		Open

Weight		102.294 lb 46.400 kg

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

Dimensional Specifications

		Double Row Cylindrical Roller Bearing w/ Cylindrical Bore - Type NN - Dimensions larger image

d		11.8110 in 300.000 mm

D		16.5354 in 420.000 mm

B		4.6457 in 118.000 mm

C		4.6457 in 118.000 mm

Ew		15.3937 in 391.000 mm

r		0.1181 in 3.000 mm

da min		12.3228 in 313.000 mm

db min		12.7165 in 323.000 mm

Db min		15.5118 in 394.000 mm

Db max		16.0236 in 407.000 mm

ras max		0.0984 in 2.500 mm

Item # NN4960, Double Row Cylindrical Roller Bearing w/ Cylindrical Bore - Type NN