Oil Seals
Interchange Table of Standard Oil Seals
Cross-reference chart to find equivalent oil seal part numbers across major manufacturers. Match by shaft diameter, bore diameter, width and seal type.
Cross Reference
Oil Seal Brand Interchange
Oil seals manufactured to the same shaft × bore × width dimensions are functionally interchangeable across brands. The table below lists the most common designations used by major manufacturers for standard TC-type (double lip, metal case) oil seals.
| Type Code | FITCO | SKF | NOK / NAK | Freudenberg / Simrit | Parker |
|---|---|---|---|---|---|
| Double lip, metal case | TC | HMS5 RG | TC | BAUM, BAUP | — |
| Single lip, metal case | TB | HMS5 V | TB | BAU | — |
| Double lip, rubber OD | SC | HMSA10 RG | SC | BAUM SL | — |
| Single lip, rubber OD | SB | HMSA10 V | SB | BAU SL | — |
| Viton double lip | TC-FKM | HMS5 RG/P | TC (FKM) | BAUM FKM | — |
Popular Sizes
Common Oil Seal Sizes — Cross Reference
| Shaft × Bore × Width (mm) | FITCO Part No. | SKF Equivalent | NOK Equivalent | Application |
|---|---|---|---|---|
| 25 × 42 × 7 | TC 25-42-7 | 25x42x7 HMS5 RG | TC 25 42 7 | Electric motors, small pumps |
| 30 × 47 × 7 | TC 30-47-7 | 30x47x7 HMS5 RG | TC 30 47 7 | Gearbox input shafts |
| 35 × 52 × 7 | TC 35-52-7 | 35x52x7 HMS5 RG | TC 35 52 7 | General purpose shafts |
| 40 × 62 × 8 | TC 40-62-8 | 40x62x8 HMS5 RG | TC 40 62 8 | Hydraulic pumps |
| 45 × 68 × 8 | TC 45-68-8 | 45x68x8 HMS5 RG | TC 45 68 8 | Compressors |
| 50 × 72 × 8 | TC 50-72-8 | 50x72x8 HMS5 RG | TC 50 72 8 | Industrial gearboxes |
| 55 × 80 × 10 | TC 55-80-10 | 55x80x10 HMS5 RG | TC 55 80 10 | Automotive hubs |
| 60 × 85 × 10 | TC 60-85-10 | 60x85x10 HMS5 RG | TC 60 85 10 | Heavy-duty gearboxes |
| 70 × 90 × 10 | TC 70-90-10 | 70x90x10 HMS5 RG | TC 70 90 10 | Large pumps, mixers |
| 80 × 100 × 10 | TC 80-100-10 | 80x100x10 HMS5 RG | TC 80 100 10 | Paper mill equipment |
| 90 × 110 × 12 | TC 90-110-12 | 90x110x12 HMS5 RG | TC 90 110 12 | Mining equipment |
| 100 × 125 × 12 | TC 100-125-12 | 100x125x12 HMS5 RG | TC 100 125 12 | Marine gearboxes |
Full interchange table with complete size range available — contact our team with your existing brand part number for the FITCO equivalent.