Item # NN4926K, Double Row Cylindrical Roller Bearing w/ Tapered Bore

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	Item # NN4926K, 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		3900 RPM

Limiting Speed - Grease		3300 RPM

Taper		1:12

Precision		ISO Class 0

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		99000 lbf 440000 N 440.00 kN

Dynamic Load Rating		49500 lbf 220000 N 220.00 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		5.1181 in 130.000 mm

D		7.0866 in 180.000 mm

B		1.9685 in 50.000 mm

C		1.9685 in 50.000 mm

Ew		6.6142 in 168.000 mm

r		0.0591 in 1.500 mm

da min		5.4331 in 138.000 mm

db min		5.5906 in 142.000 mm

Da max		6.6929 in 170.000 mm

Db min		6.6929 in 170.000 mm

Db max		6.7717 in 172.000 mm

ras max		0.0591 in 1.500 mm

Item # NN4926K, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN