Item # NN3030, Double Row Cylindrical Roller Bearing w/ Cylindrical Bore

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	Item # NN3030, 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		3100 RPM

Limiting Speed - Grease		2600 RPM

Precision		ISO Class 0

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		132000 lbf 585000 N 585.00 kN

Dynamic Load Rating		75500 lbf 335000 N 335.00 kN

Enclosure		Open

Weight		16.799 lb 7.620 kg

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		5.9055 in 150.000 mm

D		8.8583 in 225.000 mm

B		2.2047 in 56.000 mm

C		2.2047 in 56.000 mm

Ew		8.1102 in 206.000 mm

r		0.0827 in 2.100 mm

da min		6.3386 in 161 mm

db min		6.5354 in 166.000 mm

Db min		8.1890 in 208.000 mm

Db max		8.4252 in 214.000 mm

ras max		0.0787 in 2.000 mm

Item # NN3030, Double Row Cylindrical Roller Bearing w/ Cylindrical Bore - Type NN