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    The rollers in the NN type bearing are guided by the ribs of the inner ring.
Unit of Measure

Technical Specifications

Type

N/A Cylindrical Roller Bearing

Bore Type

N/A Round

Material

N/A Hardened Alloy Steel

Cage Type

N/A None

Cage Material

N/A None

Limiting Speed - Grease

N/A 530 RPM

Precision

N/A ISO Class 0

Configuration

N/A Two

Oil Hole

N/A w/o Oil Hole

Radial Internal Clearance

N/A CN

Static Load Rating

N/A 500000 lbf2230000 N2230.00 kN

Dynamic Load Rating

N/A 252000 lbf1120000 N1120.00 kN

Enclosure

N/A Double Shielded

Weight

N/A 69.886 lb31.700 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Double Row Cylindrical Roller Bearing for Sheaves w/ Snap Rings - Dimensions

d

N/A 7.4803 in190.000 mm

D

N/A 11.4173 in290.000 mm

B

N/A 5.3543 in136.000 mm

C

N/A 5.3150 in135.000 mm

D2

N/A 11.8110 in300.000 mm

f

N/A 0.1575 in4.000 mm

p

N/A 4.1732 in106.000 mm

J

N/A 8.8976 in226.000 mm

Cf

N/A 4.3307 in110.000 mm

Cf1

N/A 4.3307 in110.000 mm

S

N/A 0.4921 in12.500 mm

E1

N/A 12.9921 in330.000 mm

t

N/A 0.0787 in2.000 mm

Angle of Chamfer

N/A 30 º

r

N/A 0.0787 in2.000 mm

da min

N/A 7.7559 in197.000 mm