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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 830 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 169000 lbf750000 N750.00 kN

Dynamic Load Rating

N/A 90000 lbf400000 N400.00 kN

Enclosure

N/A Double Shielded

Weight

N/A 15.498 lb7.030 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 4.7244 in120.000 mm

D

N/A 7.0866 in180.000 mm

B

N/A 3.1496 in80.000 mm

C

N/A 3.1102 in79.000 mm

D1

N/A 6.8169 in173.150 mm

D2

N/A 7.4016 in188.000 mm

f

N/A 0.1181 in3.000 mm

p

N/A 2.4409 in62.000 mm

J

N/A 5.5709 in141.500 mm

Cf

N/A 2.5591 in65.000 mm

Cf1

N/A 2.5591 in65.000 mm

S

N/A 0.2756 in7.000 mm

E1

N/A 8.2677 in210.000 mm

t

N/A 0.0709 in1.800 mm

Angle of Chamfer

N/A 30 º

r

N/A 0.0591 in1.500 mm

da min

N/A 4.9803 in126.500 mm