PROTO Step Plate for Hollow Shaft Applications, J4040-12
The PROTO Puller Step Plate (SKU J4040-12, model J4040-12) 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…
SKU 3G-OTH-295977
Also listed as: J404012 · J4040 12
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Product Description
The PROTO Puller Step Plate (SKU J4040-12, model J4040-12) 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 J4040-12 used for?
The PROTO Puller Step Plate J4040-12 is used in hollow shaft applications to provide a stable bearing surface for puller jaws. It helps safely remove bearings, gears, and pulleys from shafts without damaging components. Common in automotive, industrial maintenance, and heavy equipment repair.
What are the specifications of the PROTO J4040-12 step plate?
The PROTO J4040-12 step plate accommodates bore diameters from 3/4 in (minimum) to 2 3/8 in (maximum). It is designed for hollow shaft applications and is manufactured by PROTO. The manufacturer part number is J4040-12, and the SKU is 3G-OTH-295977.
Where to buy the PROTO J4040-12 step plate worldwide?
3G Electric supplies the PROTO J4040-12 step plate worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver genuine PROTO components.
How to select the correct PROTO step plate for a puller?
To select the correct PROTO step plate, measure the bore diameter of the hollow shaft. The J4040-12 fits bores from 3/4 in to 2 3/8 in. Ensure the step plate matches the puller jaw size and application. For shafts outside this range, consult PROTO's catalog for alternative step plates.
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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.