Item # NN4952, Double Row Cylindrical Roller Bearing w/ Cylindrical Bore

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	Item # NN4952, 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		1800 RPM

Limiting Speed - Grease		1600 RPM

Precision		ISO Class 0

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		465000 lbf 2070000 N 2070.00 kN

Dynamic Load Rating		202000 lbf 900000 N 900.00 kN

Enclosure		Open

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		10.2362 in 260.000 mm

D		14.1732 in 360.000 mm

B		3.9370 in 100.000 mm

C		3.9370 in 100.000 mm

Ew		13.2283 in 336.000 mm

r		0.0827 in 2.100 mm

da min		10.6693 in 271.000 mm

db min		10.9843 in 279.000 mm

Db min		13.3465 in 339.000 mm

Db max		13.7402 in 349.000 mm

ras max		0.0787 in 2.000 mm

Item # NN4952, Double Row Cylindrical Roller Bearing w/ Cylindrical Bore - Type NN