Print Back
Unit of Measure

Technical Specifications

Type

4-Bolt Square Flanged Unit

Bearing Type

Ball Bearing

Locking Device

Adapter

Seal Type

Contact

Seal Material

Nitrile Rubber

Bearing Number

UK311D1

Housing Number

FS311D1

Housing Material

Cast Iron

Housing Construction

1 Piece

End Type

Closed

Performance

Heavy Duty

Dynamic Load Rating

16100 lbf71500 N71.50 kN

Static Load Rating

10100 lbf45000 N45.00 kN

Weight

16.000 lb7.300 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Lubrication

Relubricatable

Dimensional Specifications


Four Bolt Square Flanged Unit, Cast Housing, Adapter, Cast Dust Cover, Closed End, UKFS Type - Dimensions

d

1.8750 in47.625 mm

L

7.2813 in185.0 mm

J

5.5156 in140.0 mm

A1

0.7813 in20.0 mm

A2

0.6719 in17.0 mm

A3

0.5156 in13.0 mm

A5

3.6562 in93.000 mm

H3

5.9055 in150.0 mm

N

0.9063 in23.0 mm

B1

2.3230 in59.000 mm

F

0.33460 in8.500 mm

Notes

Sales drawing reflects "Bore Size w/o Adapter". They do not show the "d"dimension, which is the bore size with adapter