Item # NN4922K, Double Row Cylindrical Roller Bearing w/ Tapered Bore

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	Item # NN4922K, 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		4600 RPM

Limiting Speed - Grease		3900 RPM

Taper		1:12

Precision		ISO Class 0

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		64000 lbf 284000 N 284.00 kN

Dynamic Load Rating		31000 lbf 137000 N 137.00 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		4.3307 in 110.000 mm

D		5.9055 in 150.000 mm

B		1.5748 in 40.000 mm

C		1.5748 in 40.000 mm

Ew		5.4724 in 139.000 mm

r		0.0433 in 1.100 mm

da min		4.5866 in 116.500 mm

db min		4.7244 in 120.000 mm

Da max		5.5512 in 141.000 mm

Db min		5.5512 in 141.000 mm

Db max		5.6496 in 143.500 mm

ras max		0.0394 in 1.000 mm

Item # NN4922K, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN