Stud Mount Hexagon Ball Transfer Unit NJ-38
The NJ-38 is a stud mount hexagon ball transfer unit with a 38.1 mm diameter ball, rated for 250 kg working load and 300 kg maximum load. It is mounted via an M16 stud and features two screw holes in the housing for secure attachment to a worktable or bench. The unit weighs 460 g and is available with a nylon, steel or stainless steel main ball in a steel or stainless steel case.
Product Overview
The NJ-38 is a stud mount hexagon ball transfer unit with a 38.1 mm diameter ball, rated for 250 kg working load and 300 kg maximum load. It is mounted via an M16 stud and features two screw holes in the housing for secure attachment to a worktable or bench. The unit weighs 460 g and is available with a nylon, steel or stainless steel main ball in a steel or stainless steel case.
Part of the NJ LW FB Series range, used in Sheet Metal and Press Shops.
Key Benefits
- Carries 250 kg per unit in normal service and 300 kg at peak load
- Stud mount with M16 diameter allows secure bolt-down installation
- Two screw holes in the housing provide stable attachment to worktables
- Hexagon shape fits into standard mounting patterns on conveyor decks
- Nylon ball option protects painted or polished surfaces from marking
Application Scenarios
- Transfer points between two conveyor lines running at right angles
- Assembly stations where a fixture must be rotated by hand between operations
- Feeding systems in packaging machinery where flat trays are moved in any direction
- Processing tables where a heavy component needs to be repositioned manually
- Curved work areas on band saws or router tables requiring omnidirectional movement
Who It Is For
- Conveyor system integrators building transfer and rotation points
- Material handling equipment builders constructing worktables and feed lines
- Industrial distributors stocking ball transfer units by load rating
- Assembly line builders needing manual repositioning of heavy fixtures
- Machine tool builders integrating transfer units into processing systems
Problems It Solves
- Heavy flat loads that cannot be rotated or repositioned easily on fixed decks
- Transfer points where product must change direction without powered diverters
- Worktables where a component must be moved in any direction by hand
- Systems requiring a stable, bolt-down mounting method instead of press fit
- Applications where a single unit must support high loads across multiple axes
Technical Features
- 38.1 mm diameter ball allows smooth omnidirectional movement of flat loads
- Stud mount with M16 diameter provides a secure, bolt-down installation
- Two screw holes in the housing allow firm attachment to worktables
- Hexagon shape ensures alignment and prevents rotation during mounting
- Fine machined ball seat maintains low rolling effort under heavy static load
Materials
- Nylon main ball for non marking contact with painted or polished surfaces
- Carbon steel ball and case for general industrial use
- Stainless steel ball and case (SUS304) for wet, washdown or corrosive environments
Quality Control
- Load capacity verified against the 250 kg working load rating
- Ball rotation checked by hand for free movement in all directions
- Material grade confirmed against the ball and case option ordered
- Stud diameter and thread checked for M16 specification
- Housing dimension verified against 55 x 90 mm tolerance
Customization Options
- Ball material selected between nylon, steel and stainless steel
- Case material selected between steel and stainless steel
- Other NJ Series load ratings available where 250 kg is not the right size
Use Guide
- Divide the load by the number of units in contact to ensure each unit stays under 250 kg
- Keep peak and impact loading below the 300 kg maximum load figure
- Mount the unit on a flat, rigid deck plate so all balls sit at the same height
- Choose the nylon ball where the load surface must not be marked
- Choose stainless steel ball and case where the deck is exposed to washdown or moisture
Specifications
| Model No | NJ-38 |
|---|---|
| Mounting | Stud mount |
| Mount Diameter | M16 |
| Load Capacity | 250 kg |
| Max Load Capacity | 300 kg |
| Weight | 460 g |
| Ball Diameter | 38.1 mm |
| Ball Material | Nylon, steel or stainless steel |
| Case Material | Steel or stainless steel |
| Dimension | 55 x 90 mm |
Manufacturing Process
Step 1
Machining of the hexagon case and stud base
Step 2
Ball and support ball assembly with precision fit
Step 3
Drilling and tapping of two screw holes in the housing
Step 4
Load check against the 250 kg rating before packing
Step 5
Final inspection and packaging
Compared With Other Options
| Flange mount ball transfer units | Stud mount bolts from below and is better suited for thick deck plates, while flange mount is bolted from above |
|---|---|
| Press fit ball transfer units | Stud mount allows removal and replacement without damaging the deck, while press fit is faster to install but harder to service |
| Lower rated NJ Series units | The NJ-38 suits 250 kg loads, so lighter applications are better served by a smaller unit that rolls with less effort |
Stud Mount Hexagon Ball Transfer Unit NJ-38 Questions
What load can one NJ-38 ball transfer unit carry?
The rated load capacity is 250 kg per unit and the maximum load capacity is 300 kg.
How is the NJ-38 mounted?
It is a stud mount unit with an M16 diameter, secured by bolts through the stud and two screw holes in the housing.
Which ball material should I choose?
Nylon for surfaces that must not be marked, carbon steel for general use, and stainless steel for wet or washdown areas.
Is a stainless steel version available?
Yes, both the ball and the case can be supplied in stainless steel (SUS304).
How much does the unit weigh?
Each NJ-38 weighs 460 g, which is used for deck load and shipping calculations.
Can I get other load ratings in the same series?
Yes, the NJ Series includes other load ratings, so ask for the model that matches your load per unit.
Get a Price for Stud Mount Hexagon Ball Transfer Unit NJ-38
Send the quantity and any material or surface option you need, and a quotation comes back against this model number.