Item # NN3040KC1NAP4, Double Row Cylindrical Roller Bearing w/ Tapered Bore

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	Item # NN3040KC1NAP4, 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		Order Online through NTN DOL Contact NTN Customer Relations Search for a Licensed Distributor

Technical Specifications

Type		Cylindrical Roller Bearing

Bore Type		Tapered

Material		Hardened Alloy Steel

Cage Material		High Strength, 2 piece, Machined Brass

Limiting Speed - Oil		2300 RPM

Limiting Speed - Grease		1900 RPM

Taper		1:12

Precision		ISO Class 4

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		C1NA

Static Load Rating		263000 lbf 1170000 N 1170.00 kN

Dynamic Load Rating		147000 lbf 655000 N 655.00 kN

Enclosure		Open

Weight		48.943 lb 22.200 kg

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		7.8740 in 200.000 mm

D		12.2047 in 310.000 mm

B		3.2283 in 82.000 mm

C		3.2283 in 82.000 mm

Ew		11.1024 in 282.000 mm

r		0.0827 in 2.100 mm

da min		8.3071 in 211.000 mm

db min		8.5827 in 218.000 mm

Da max		11.2205 in 285.000 mm

Db min		11.2205 in 285.000 mm

Db max		11.7717 in 299.000 mm

ras max		0.0787 in 2.000 mm

Item # NN3040KC1NAP4, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN