SKF TMMA120 bearing mounting / dismounting tool. Precision fitting tool — impact ring set (TMFT), induction heater (TIH), oil-injection dismounting kit (TMOF), hydraulic pull-up nut (HMV), or three-arm mechanical puller (TMMR / TMMD) — used to mount and dismount rolling bearings without damage.
| Type | Bearing mounting / dismounting tool |
| Designation | SKF TMMA120 |
| HS code | 8205.59 |
| Effective arm length | 250 mm |
| Claw height | 13.8 mm |
| Claw length | 24 mm |
| Total Arm length | 416 mm |
| Claw width | 40 mm |
| Puller adaptor thread | UN 1.5 x 16 tpi |
| Spindle head, hexagon size | 24 |
| Puller or Adapter hexagon size | 32 mm |
| Total spindle length | 505 mm |
| Recommended applications | For the dismounting of bearings, gears, pulleys and other industrial ring shaped components in industrial, construction and agricultural applications with an interference fit on the shaft |
| Suitable for workpiece dismounting from a Cylindrical seating (straight shaft) | Yes |
| Suitable for bearing dismounting from a Tapered seating (conical shaft) | Yes |
| Suitable for bearing dismounting from a Sleeve (adapter or withdrawal sleeve) | Yes |
| Suitable for workpiece dismounting from a Blind arrangement (housing with shaft) | No |
| Suitable for workpiece dismounting from a Housing | No |
| Suitable for bearing type(s) | All |
| Dismounting force generation | Spindle |
| Special features | Spring operated opening mechanism |
| Number of arms | 3 |
| Pulling force (max) | 120 kN |
| Spindle torque (max) | 265 N·m |
| Spindle nose piece | yes, ⌀28 mm |
| Colour | Black, with red handle |
| Material | Alloy engineering steels, hardened and tempered |
| Coating | Black phosphated, red powdercoated |
| Content | 1x Puller TMMA 120 with mechanical spindle; 1x Tube of spindle grease LGEV2/0.035;1x Printed instructions for use |
| Country of Manufacturing (COM code) | 25 - Hungary |
| Product net weight | 10.9 kg |
| eClass code | 23-05-19-01 |
| UNSPSC code | 27111712 |
| Material | As declared by SKF designation suffix |
| Temperature range | Per SKF product data |
| Primary standard | SKF designation convention |
| MOQ | 1 |
Interchange with peer OEM equivalents on identical boundary plan and execution — confirm cage, clearance, sealing and precision-class suffix before substitution.