FYH NA311-32

FYH NA311-32 is an eccentric collar insert bearing with a 2" bore (50.8mm). It measures 120mm (4.724") O.D., with a basic dynamic load rating of 71.6kN and a static rating of 45kN. It has a wide inner ring with an eccentric locking collar and a spherical O.D. for a housing with a matching spherical bore; the 3 in the part number is diameter series 3 (heavy duty).

Where this product is used

• Replacement insert for a plummer block or pillow block unit
• Replacement insert for flange and take-up housings with a matching spherical bore
• Conveyor rollers, drive shafts and idler stations
• Fans, blowers and pumps
• Agricultural, construction and general industrial machinery

Features

• Eccentric locking collar for a 2" shaft: the collar engages the inner ring and a set screw is tightened to hold it
• Spherical O.D. for housings with a matching spherical bore
• Rubber seal with metal slinger, supplied pre-lubricated with FYH grease
• Basic dynamic load rating Cr 71.6kN and static rating C0r 45kN
• Allowable rotating speed 2,300rpm (standard value)

Key specifications

Fitting and use

Fit the collar against the inner ring so the eccentric surfaces engage, then tighten the set screw in the collar.

Match the insert to a housing with the same size number: the spherical O.D. seats in a matching spherical housing bore.

Choosing the right option

If you need another shaft size, the related pages below list the other sizes in this range.

Imperial (inch) bores are in fractions of an inch; the Model Details give the size in mm with the inch size in brackets: match the bore to the shaft you have.

O.D., Cr, C0r and f0 are taken row NA311-35 (same size number).

See also: NA300 heavy duty insert bearings, 35 to 60mm bore (metric), NA200 insert bearings, 20 to 60mm bore (metric), NA200 insert bearings, 3/4 and 1 5/8" bore (imperial), NA200 insert bearings, 1 to 2 1/4" bore (imperial).