WCB Eaton Auxiliary Brake Friction Disc
Request friction discs, disc cores or disc subassemblies for Eaton Airflex WCB2 brakes. Standard friction-disc references include 508725 for the 24WCB2 family and 513658 for the 36WCB2 family.
- Category
- WCB Eaton Auxiliary Brake
- Inquiry details
- Model · Part No. · Quantity
Email2000@pratt-oil.com
WhatsApp+86 159 0808 0040
Selection & Quotation
Identify whether you need friction material, the disc core or a complete subassembly. Send the full brake model, part number, lining specification, dimensions and quantity; different friction materials must not be assumed interchangeable.
Part Numbers by Brake Model
Standard-configuration references; confirm the installed assembly before ordering.
| Part number | Component | Brake model reference |
|---|---|---|
508725 | Friction disc | 124WCB2 / 224WCB2 / 324WCB2 / 424WCB2 |
513658 | Friction disc | 136WCB2 / 236WCB2 / 336WCB2 / 436WCB2 |
510745 | Friction disc core | 124WCB2 / 224WCB2 / 324WCB2 / 424WCB2 |
513667 | Friction disc core | 136WCB2 / 236WCB2 / 336WCB2 / 436WCB2 |
513964-01 | Friction disc subassembly | 124WCB2 / 224WCB2 / 324WCB2 / 424WCB2 |
513990 | Friction disc subassembly | 136WCB2 / 236WCB2 / 336WCB2 / 436WCB2 |
Number reference: Airflex WCB11070, §§6.1–6.2.
Additional Assembly & Kit References
These tables include several components and kits; they are not a bill of materials for this single product. Match the part number to the drawing and brake configuration.
| Oil drilling platforms, well workover operations and mobile drilling rigs. Common models: 124WCB2, 224WCB2, 324WCB2, 424WCB2, 136WCB2, 236WCB2, 336WCB2, 436WCB2 | |||||
|---|---|---|---|---|---|
| No. | Standard Part | 124WCB2 146465A(514825) | 224WCB2 146466A(514826) | 324WCB2 146467A(514827) | 424WCB2 146468A(514828) |
| Name | Part Number | Part Number | Part Number | Part Number | |
| 1 | Mounting Flange Half Assembly | 513348-01 | 513348-01 | 513348-01 | 513348-01 |
| 2 | Mounting Flange | 513337 | 513337 | 513337 | 513337 |
| 3 | Wear Plate | 508459 | 508459 | 508459 | 508459 |
| 4 | Pin | 000245*0069 | 000245*0069 | 000245*0069 | 000245*0069 |
| 5 | Friction Disc | 508725 | 508725 | 508725 | 508725 |
| 6 | Friction Disc Core | 510745 | 510745 | 510745 | 510745 |
| 7 | Pipe Clamp | 306542-05 | 306542-20 | 306542-23 | 306542-24 |
| 8 | Pressure Plate Half Assembly | 513348-03 | 513348-03 | 513348-03 | 513348-03 |
| 9 | Pressure Plate | 513345 | 513345 | 513345 | 513345 |
| 10 | Flat Washer | 000153*0641 | 000153*0641 | 000153*0641 | 000153*0641 |
| 11 | Lock Nut | 000110*0073 | 000110*0073 | 000110*0073 | 000110*0073 |
| 12 | Cylinder | 513264 | 513264 | 513264 | 513264 |
| 13 | Edge Seal (Inner) | 000402*0023 | 000402*0023 | 000402*0023 | 000402*0023 |
| 14 | Edge Seal (Outer) | 000402*0024 | 000402*0024 | 000402*0024 | 000402*0024 |
| 15 | — | 411672 | 410970 | 412433 | 413195 |
| 16 | Wear Washer | N/A | 308396 | 308396 | 308396 |
| 17 | Reaction Plate Half Assembly | N/A | 513348-02 | 513348-02 | 513348-02 |
| 18 | Reaction Plate | N/A | 513343 | 513343 | 513343 |
| 19 | Piston | 513317 | 513317 | 513317 | 513317 |
| 20 | Return Spring | 416751-02 | 416751-02 | 416751-02 | 416751-02 |
| 21 | Inner Support Ring | 413107 | 413107 | 413107 | 413107 |
| 22 | Outer Support Ring | 413108 | 413108 | 413108 | 413108 |
| 23 | Countersunk Screw | 000294*407 | 000294*407 | 000294*407 | 000294*407 |
| 24 | Pipe Plug | 000077*0021 | 000077*0021 | 000077*0021 | 000077*0021 |
| No. | Oil drilling platforms, well workover operations and mobile drilling rigs. Common models: 124WCB2, 224WCB2, 324WCB2, 424WCB2, 136WCB2, 236WCB2, 336WCB2, 436WCB2 | ||||
| 1 | Standard Part | 136WCB2 | 236WCB2 | 336WCB2 | 436WCB2 |
| 2 | Name | Part Number | Part Number | Part Number | Part Number |
| 3 | Mounting Flange Half Assembly | 513985-01 | 513985-01 | 513985-01 | 513985-01 |
| 4 | Mounting Flange | 513986 | 513986 | 513986 | 513986 |
| 5 | Wear Plate | 416527 | 416527 | 416527 | 416527 |
| 6 | Pin | 307111-04 | 307111-10 | 307111-05 | 307111-07 |
| 7 | Half Friction Disc Assembly | 513990 | 513990 | 513990 | 513990 |
| 8 | Friction Disc | 513658 | 513658 | 513658 | 513658 |
| 9 | Friction Disc Core | 513667 | 513667 | 513667 | 513667 |
| 10 | Pipe Clamp | 308204-07 | 308204-02 | 308204-04 | 308204-05 |
| 11 | Pressure Plate Half Assembly | 513985-03 | 513985-03 | 513985-03 | 513985-03 |
| 12 | Pressure Plate | 512860 | 512860 | 512860 | 512860 |
| 13 | Flat Washer | 000067*0042 | 000067*0042 | 000067*0042 | 000067*0042 |
| 14 | Lock Nut | 000110*0075 | 000110*0075 | 000110*0075 | 000110*0075 |
| 15 | Cylinder | 513988 | 513988 | 513988 | 513988 |
| 16 | Edge Seal (Inner) | 000402*0005 | 000402*0005 | 000402*0005 | 000402*0005 |
| 17 | Edge Seal (Outer) | 000402*0006 | 000402*0006 | 000402*0006 | 000402*0006 |
| 18 | — | 416538 | 416538 | 416538 | 416538 |
| 19 | Wear Washer | N/A | 308397 | 308397 | 308397 |
| 20 | Reaction Plate Half Assembly | N/A | 513985-02 | 513985-02 | 513985-02 |
| 21 | Reaction Plate | N/A | 513989 | 513989 | 513989 |
| 22 | Piston | 512858 | 512858 | 512858 | 512858 |
| 23 | Return Spring | 416751-01 | 416751-01 | 416751-01 | 416751-01 |
| 24 | Inner Support Ring | 414032-01 | 414032-01 | 414032-01 | 414032-01 |
| 25 | Outer Support Ring | 414033-01 | 414033-01 | 414033-01 | 414033-01 |
| 26 | Countersunk Screw | 000294*407 | 000294*407 | 000294*407 | 000294*407 |
| 27 | Pipe Plug | 000077*0021 | 000077*0021 | 000077*0021 | 000077*0021 |