Description
Gearbox spindle flange for Bosch GWS 230 mm angle grinder (66×94 mm, 1607000C22 / 1607000985)
Spindle support flange (gearbox front cover assembly with 6203 radial ball bearing) is designed for Bosch angle grinders of the professional (GWS) and DIY (PWS) series with disc diameters of 180 mm and 230 mm. The part serves as the base support for the working spindle and the driven bevel gear of the gearbox, centers the output shaft, holds the support bearing, and seals the gearbox housing against abrasive metal and concrete dust. Mounting dimensions are 66 mm between the centers of the mounting holes and 94 mm diagonally (outer dimension), which corresponds to Bosch factory part numbers 1607000C22 and 1607000985.
Key Advantages and Features:
- Original Bosch standard compliance: Full matching of the housing geometry, mounting seat, and fastening slots eliminates spindle misalignment and uneven wear of the gearbox bevel pair.
- Pre-installed 6203 bearing: Supplied with a pressed-in high-speed 6203 radial ball bearing with 2RS rubber-metal sealing washers, protecting the raceways from fine sludge and construction dust.
- Heat-resistant impact-resistant polymer: The housing is made of wear-resistant thermostable composite with reinforced ribs, capable of withstanding vibration loads and heating during intensive stone and metal cutting.
- Effective labyrinth dust barrier: Concentric grooves and a protective shoulder prevent abrasives from reaching the bearing seal directly, increasing the unit's service life several times over.
- Precise alignment: The centering mounting shoulder ensures a flat fit into the metal gearbox housing without gaps or play.
Compatibility and Application:
Standardly used in Bosch corded angle grinders of the professional blue GWS series and the green PWS series with disc diameters of 180 mm and 230 mm:
- Bosch GWS: GWS 18 U (0601353003), GWS 18-230 (0601352003, 0601352903), GWS 19-230 (0601352103, 0601352108, 0601352803), GWS 20-230 (0601357003, 0601357903, 0601752003, 0601752008, 0601752013), GWS 20-230 H (0601850003, 0601850008, 0601850065), GWS 20-230 J (0601752903, 0601752908, 0601752913, 0601752965), GWS 20-230 JH (0601850903, 0601850908), GWS 2000-23 J (0601752922), GWS 2000-23 JH (0601850922), GWS 2000-230 (0601352120), GWS 2000-230 J (0601352820), GWS 21 U (0601353103), GWS 21-230 (0601357103, 0601357188, 0601357803), GWS 230 (0601752020), GWS 230 J (0601752920), GWS 2300-23 J (0601754922), GWS 23-230 (0601362003, 0601362903, 0601754003, 0601754008, 0601754173), GWS 23-230 S (0601754873, 0601754878, 0601754903, 0601754908), GWS 24-230 (0601362103, 0601362178, 0601362803, 0601362878), GWS 25-230 (0601756003, 0601756173), GWS 25-230 J (0601756873, 0601756878, 0601756903).
- Bosch PWS: PWS 1800 (0603349003, 0603349020), PWS 18-230 (0603249003), PWS 18-230 J (0603249903), PWS 1900 (0603359020), PWS 20-230 (0603249103, 0603249160, 0603349066, 0603349903, 0603359003, 0603359603, 0603359903, 0603359908), PWS 20-230 J (0603249803).
- Factory cross-reference part numbers: 1607000C22, 1607000985.
Technical Specifications:
| Parameter | Value / Specification |
|---|---|
| Part type | Gearbox housing flange (spindle bearing cover) assembly |
| Part code (manufacturer part number) | 1607000C22 (interchangeable with 1607000985) |
| Compatible tool | Bosch angle grinders for 180 mm and 230 mm cutting discs |
| Distance between mounting hole centers | 66 mm (square side) |
| Diagonal center-to-center distance | 94 mm |
| Number of mounting points | 4 holes for scr
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