Item # NNU4936K, Double Row Cylindrical Roller Bearing w/ Tapered Bore

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	Item # NNU4936K, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NNU

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		2700 RPM

Limiting Speed - Grease		2300 RPM

Taper		1:12

Precision		ISO Class 0

Tolerance		ISO Class 0 (RBEC 1)

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		217000 lbf 965000 N 965.00 kN

Dynamic Load Rating		103000 lbf 460000 N 460.00 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 NNU - Dimensions larger image

d		7.0866 in 180.000 mm

D		9.8425 in 250.000 mm

B		2.7165 in 69.000 mm

C		2.7165 in 69.000 mm

Fw		7.9528 in 202.000 mm

r		0.0787 in 2.000 mm

da min		7.4409 in 189.000 mm

db min		7.6772 in 195.000 mm

Da max		9.4882 in 241.000 mm

Db min		9.2913 in 236.000 mm

Db max		9.4882 in 241.000 mm

ras max		0.0787 in 2.000 mm

Item # NNU4936K, Double Row Cylindrical Roller Bearing w/ Tapered Bore - Type NNU