Item # NN4934KC9NAP4, Double Row Cylindrical Roller Bearing w/ Tapered Bore

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	Item # NN4934KC9NAP4, 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		2900 RPM

Limiting Speed - Grease		2500 RPM

Taper		1:12

Precision		ISO Class 4

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		C9NA

Static Load Rating		172000 lbf 765000 N 765.00 kN

Dynamic Load Rating		81000 lbf 360000 N 360.00 kN

Enclosure		Open

Weight		13.757 lb 6.240 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		6.6929 in 170.000 mm

D		9.0551 in 230.000 mm

B		2.3622 in 60.000 mm

C		2.3622 in 60.000 mm

Ew		8.5236 in 216.500 mm

r		0.0787 in 2.000 mm

da min		7.0472 in 179.000 mm

db min		7.2441 in 184.000 mm

Da max		8.6024 in 218.500 mm

Db min		8.6024 in 218.500 mm

Db max		8.7008 in 221.000 mm

ras max		0.0787 in 2.000 mm

Item # NN4934KC9NAP4, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN