Item # NN3088K, Double Row Cylindrical Roller Bearing w/ Tapered Bore

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	Item # NN3088K, 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		940 RPM

Limiting Speed - Grease		800 RPM

Taper		1:12

Precision		ISO Class 0

Configuration		Two

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		1150000 lbf 5100000 N 5100.00 kN

Dynamic Load Rating		545000 lbf 2420000 N 2420.00 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		17.3228 in 440.000 mm

D		25.5906 in 650.000 mm

B		6.1811 in 157.000 mm

C		6.1811 in 157.000 mm

Ew		23.4646 in 596.000 mm

r		0.2362 in 6.000 mm

da min		18.2677 in 464.000 mm

db min		18.7795 in 477.000 mm

Da max		23.6614 in 601.000 mm

Db min		23.6614 in 601.000 mm

Db max		24.6457 in 626.000 mm

ras max		0.1969 in 5.000 mm

Item # NN3088K, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NN