PROTO Puller Step Plate: For 2 3/8 in Bore Dia - Max, For 3/4 in Bore Dia - Min
The PROTO Puller Step Plate (SKU 417U03, model J4040-3) is a step plate designed for hollow shaft applications. It accommodates bore diameters from 3/4 in (minimum) to 2 3/8 in (maximum). This product is manufactured…
SKU 3G-OTH-295969
Need installation or engineering help?
Ask a question
Product Description
The PROTO Puller Step Plate (SKU 417U03, model J4040-3) is a step plate designed for hollow shaft applications. It accommodates bore diameters from 3/4 in (minimum) to 2 3/8 in (maximum). This product is manufactured by PROTO.
Frequently Asked Questions
What is the PROTO Puller Step Plate J4040-3 used for?
The PROTO Puller Step Plate J4040-3 is used in hollow shaft applications to provide a stable bearing surface for puller jaws during gear, bearing, or pulley removal. It is commonly employed in industrial maintenance and repair tasks where a step plate is needed to adapt puller screws to various bore sizes.
What are the specifications of the PROTO Puller Step Plate J4040-3?
The PROTO Puller Step Plate J4040-3 accommodates bore diameters from a minimum of 3/4 in to a maximum of 2 3/8 in. It is manufactured by PROTO under model number J4040-3 and SKU 417U03. This step plate is designed specifically for hollow shaft applications in industrial settings.
Where to buy the PROTO Puller Step Plate J4040-3 worldwide?
You can source the PROTO Puller Step Plate J4040-3 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine PROTO components for maintenance and repair operations.
How to select the correct PROTO Puller Step Plate for hollow shaft applications?
To select the correct PROTO Puller Step Plate, match the step plate's bore diameter range to your shaft or puller screw size. The J4040-3 model fits bore diameters from 3/4 in minimum to 2 3/8 in maximum. Ensure the step plate is compatible with your puller set and the hollow shaft dimensions for safe and effective use.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO step plates for hollow shaft applications. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.














