Item # NN3008, Double Row Cylindrical Roller Bearing w/ Cylindrical Bore

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	Item # NN3008, 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		11000 RPM

Limiting Speed - Grease		9700 RPM

Precision		ISO Class 0

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		12500 lbf 55500 N 55.50 kN

Dynamic Load Rating		9800 lbf 43500 N 43.50 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		1.5748 in 40.000 mm

D		2.6772 in 68.000 mm

B		0.8268 in 21.000 mm

C		0.8268 in 21.000 mm

Ew		2.4016 in 61.000 mm

r		0.0394 in 1.000 mm

da min		1.7717 in 45 mm

db min		1.8504 in 47.000 mm

Db min		2.4409 in 62.000 mm

Db max		2.4803 in 63.000 mm

ras max		0.0394 in 1 mm

Item # NN3008, Double Row Cylindrical Roller Bearing w/ Cylindrical Bore - Type NN