Item # NN4956K, Double Row Cylindrical Roller Bearing w/ Tapered Bore

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	Item # NN4956K, 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		1700 RPM

Limiting Speed - Grease		1400 RPM

Taper		1:12

Precision		ISO Class 0

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		495000 lbf 2200000 N 2200.00 kN

Dynamic Load Rating		208000 lbf 925000 N 925.00 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		11.0236 in 280.000 mm

D		14.9606 in 380.000 mm

B		3.9370 in 100.000 mm

C		3.9370 in 100.000 mm

Ew		14.0157 in 356.000 mm

r		0.0827 in 2.100 mm

da min		11.4567 in 291.000 mm

db min		11.7717 in 299.000 mm

Da max		14.1339 in 359.000 mm

Db min		14.1339 in 359.000 mm

Db max		14.5276 in 369.000 mm

ras max		0.0787 in 2.000 mm

Item # NN4956K, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN