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Unit of Measure

Technical Specifications

Type

N/A 4-Bolt Square Flanged Unit

Bearing Type

N/A Ball Bearing

Locking Device

N/A Set Screw

Seal Type

N/A Contact

Seal Material

N/A Nitrile Rubber

Bearing Number

N/A UC321D1

Housing Number

N/A FS321D1

Housing Material

N/A Cast Iron

Housing Construction

N/A 1 Piece

End Type

N/A Closed

Performance

N/A Heavy Duty

Dynamic Load Rating

N/A 41365 lbf184000 N184.00 kN

Static Load Rating

N/A 34396 lbf153000 N153.00 kN

Rotational Speed [Max]

N/A 1400 rpm

Weight

N/A 72.765 lb160.45 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Lubrication

N/A Outer Ring

Dimensional Specifications


Four Bolt Square Flanged Unit, Cast Housing, Set Screw, Cast Dust Cover, Closed End, UCFS Type - Dimensions

d

N/A 4.134 in105.000 mm

L

N/A 12.2047 in310 mm

J

N/A 9.5276 in242 mm

A1

N/A 1.2598 in32 mm

A2

N/A 1.5354 in39 mm

A3

N/A 0.7874 in20 mm

A5

N/A 6.142 in156 mm

H3

N/A 10.2362 in260 mm

N

N/A 1.4961 in38 mm

B

N/A 4.4094 in112 mm

S

N/A 1.7323 in44 mm

F

N/A 0.5472 in13.9 mm

Specifications

Ball Material

N/A Through Hardened

Outside Diameter

N/A 8.858 in225.000 mm

Bore Type

N/A Cylindrical

Clearance

N/A CN

Cage Material

N/A Pressed Steel

Precision Rating

N/A ISO Class 0

Radial Dynamic Load Rating

N/A 41365 lbf184000 N

Rotational Speed [Max]-Grease

N/A 1400 rpm

Outside Diameter 

N/A 8.858 in225 mm

Lubrication

N/A Outer Ring

Outside Ring Width

N/A 2.244 in57 mm

Inside Ring Width

N/A 4.409 in112 mm

Radial Static Load Rating

N/A 34396 lbf153000 N