Pressing & Crimping 1970 Series Bearings into a 2.5” Dia. x 11 gauge tube


This tool is designed to press and crimp a 1970 series bearing into a 2.5” –11ga tube, securely locking the bearing into the tube.
Costly reaming operations and specially sized tubing can often be eliminated!
Produces a nicely rounded roller end.
Features
- High quality Tool Steel and PARKER components
- Nest for roller assembly, to permit HANDS-FREE press closure
- Attaches to your press with four 5/16-18 (or ½-20) screws
- No hydraulic power supply required for this tool, just your shop air
- Built by, and in stock at FRANTZ Manufacturing Company
Press Requirements
- Press must have a method of consistently stopping its stroke to prevent “dog-boning” of the roller ends
- Must be capable of enough pressure to buckle a 2.5” - 11ga tube, but have a relief valve to limit that pressure to approximately 24 tons.
- Stroke required with longest (1.100”) axle extension.
- Air Supply 75 – 125 PSI, ¼” NPT
Tube Preparation Required
- Tube ID ……………..2.230” – 2.262”
- Tube Ends must be faced square with axis of the tube. It is best if ID is countersunk 1/32 – 1/16”, but not necessary.
- Tube Hardness …70 Rb or softer (BHN 125; 10 mm Ball, 3000 kg)
- A FRANTZ Manufacturing engineer can evaluate your “worst case” cut-off, and press a bearing into one of your tube samples for your inspection.
Does your burr look like this? Give us a call!

This tooling is recommended for use with FRANTZ bearings only.
When ordering, reference FRANTZ Manufacturing Co. Print CUSTB056.