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Ordering Options

N/A Contact NTN Customer Relations

Technical Specifications

Type

N/A 4-Bolt Square Flanged Unit

Bearing Type

N/A Ball Bearing

Locking Device

N/A Adapter

Seal Type

N/A Contact

Seal Material

N/A Nitrile Rubber

Bearing Number

N/A UK312D1

Adapter Number

N/A H2312X

Housing Number

N/A FS312D1

Housing Material

N/A Cast Iron

Housing Construction

N/A 1 piece

End Type

N/A Open

Performance

N/A Heavy Duty

Dynamic Load Rating

N/A 18400 lbf82000 N82.00 kN

Static Load Rating

N/A 11700 lbf52000 N52.00 kN

Weight

N/A 15.000 lb7.000 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Lubrication

N/A Relubricatable

Dimensional Specifications


Four Bolt Square Flanged Unit, Cast Housing, Adapter, UKFS Type - Dimensions

d

N/A 2.1654 in55.000 mm

L

N/A 7.6875 in195.0 mm

J

N/A 5.9063 in150.0 mm

A

N/A 2.2031 in56.0 mm

A0

N/A 2.7344 in69.500 mm

A1

N/A 0.8750 in22.0 mm

A2

N/A 0.7500 in19.000 mm

A3

N/A 0.5469 in13.0 mm

H3

N/A 6.2992 in160.0 mm

N

N/A 0.9063 in23.0 mm

B1

N/A 2.4410 in62.000 mm

F

N/A 0.3543 in9.000 mm

Notes

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