PROTO Puller Step Plate: For 2 3/8 in Bore Dia - Max, For 3/4 in Bore Dia - Min
The PROTO Puller Step Plate, model J4040-7, is a step plate designed for hollow shaft applications. It accommodates a maximum bore diameter of 2 3/8 inches and a minimum bore diameter of 3/4 inch. This PROTO-branded…
SKU 3G-OTH-295971
Need installation or engineering help?
Ask a question
Product Description
The PROTO Puller Step Plate, model J4040-7, is a step plate designed for hollow shaft applications. It accommodates a maximum bore diameter of 2 3/8 inches and a minimum bore diameter of 3/4 inch. This PROTO-branded component is intended for use with pullers in industrial maintenance and repair operations.
Frequently Asked Questions
What is the PROTO J4040-7 puller step plate used for?
The PROTO J4040-7 puller step plate is used in industrial maintenance and repair to support pullers during bearing or gear removal from hollow shafts. It accommodates bore diameters from 3/4 inch minimum to 2 3/8 inch maximum, providing a stable surface for force application.
What are the specifications of the PROTO J4040-7 step plate?
The PROTO J4040-7 step plate has a manufacturer part number J4040-7. It is designed for hollow shaft applications, with a minimum bore diameter of 3/4 inch and a maximum bore diameter of 2 3/8 inch. This PROTO-branded component is used with pullers for industrial repair tasks.
Where to buy the PROTO J4040-7 step plate worldwide?
You can source the PROTO J4040-7 step plate through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time on this PROTO puller component.
How to select the correct PROTO step plate for a puller?
To select the correct PROTO step plate, match the bore diameter of your hollow shaft to the plate's range. The J4040-7 fits bores from 3/4 inch to 2 3/8 inch. Ensure the step plate is compatible with your puller's jaw size and application. Consult PROTO's documentation for proper fit.
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.














