Internal Collars

Internal collars, sometimes referred to as bushings, are used to reduce the inside diameter of the center pipe of a screw to match standard CEMA shaft sizes and to increase the torque rating of the CEMA bolted connection.

Internal Collars
Dimensional Drawing for Internal Collars

Choose A Stock Component

Choose A Category

Product Filters

A Bore Dimension Min

A Bore Dimension Max

A Screw Diameter

A Screw Diameter

A Shaft Diameter

B Pitch

B Spacing 1st Bolt

B Discharges

B Inlets

Bearing Type

Bolt Size

Shaft Diameter

C Bolt Centers

C Pipe Sch 40 Pipe OD

C Discharges

C Inlets

Screw Diameter

Coupling Diameter

Cover Thickness

D Nominal Bolt Size

D Flight Thickness

D Flight Thickness Inside Root

Discharge Thickness

Drilling

E Dia

E Bolt Diameter

End Bearing Type

G Bolts

H Bolts

Hand Slide Kit

Hanger Style

Inside Pipe Diameter

L Std Length

Length

Lock Nut Only

Pipe OD

Pipe Sch 40 Size

Pipe Size Sch 40

C Pipe Sch 40 Pipe OD

Screw Coupling Dia

Screw Coupling Diameter

Screw Diameter

Screw Diameter

Seal Type

Shaft Diameter

Shaft Diameter

Trough Thickness

Trough Type

Weight (lbs)

Weight (lbs/ft)

Weight Each (lbs)

Weight (lbs) w/ HSK

Material

  • Model
    Number
  • Inside
    Pipe Dia.
  • A - Bore
    Dimension Min.
  • A - Bore
    Dimension Max.
  • B - Spacing
    1st Bolt
  • C - Bolt
    Centers
  • D - Nominal
    Bolt Size
  • 3D Cad
Diagram showing the currently selected product category.

    • IC111440
    • Inside Pipe Diameter: 1 1/4"
    • A - Bore Dimension Min.: 1.005"
    • A - Bore Dimension Max.: 1.016"
    • B - Spacing 1st Bolt: 1/2"
    • C - Bolt Centers: 2"
    • D - Nominal Bolt Size: 3/8"

    • IC112240
    • Inside Pipe Diameter: 2"
    • A - Bore Dimension Min.: 1.505"
    • A - Bore Dimension Max.: 1.516"
    • B - Spacing 1st Bolt: 7/8"
    • C - Bolt Centers: 3"
    • D - Nominal Bolt Size: 1/2"

    • IC221240
    • Inside Pipe Diameter: 2 1/2"
    • A - Bore Dimension Min.: 2.005"
    • A - Bore Dimension Max.: 2.016"
    • B - Spacing 1st Bolt: 7/8"
    • C - Bolt Centers: 3"
    • D - Nominal Bolt Size: 5/8"

    • IC2716340
    • Inside Pipe Diameter: 3"
    • A - Bore Dimension Min.: 2.443"
    • A - Bore Dimension Max.: 2.458"
    • B - Spacing 1st Bolt: 15/16"
    • C - Bolt Centers: 3"
    • D - Nominal Bolt Size: 5/8"

    • IC331240
    • Inside Pipe Diameter: 3 1/2"
    • A - Bore Dimension Min.: 3.005"
    • A - Bore Dimension Max.: 3.025"
    • B - Spacing 1st Bolt: 1"
    • C - Bolt Centers: 3"
    • D - Nominal Bolt Size: 3/4"

    • IC3440
    • Inside Pipe Diameter: 4"
    • A - Bore Dimension Min.: 3.005"
    • A - Bore Dimension Max.: 3.025"
    • B - Spacing 1st Bolt: 1"
    • C - Bolt Centers: 3"
    • D - Nominal Bolt Size: 3/4"

    • IC3716440
    • Inside Pipe Diameter: 4"
    • A - Bore Dimension Min.: 3.443"
    • A - Bore Dimension Max.: 3.467"
    • B - Spacing 1st Bolt: 1-1/2"
    • C - Bolt Centers: 4"
    • D - Nominal Bolt Size: 7/8"