370021 SNAP RING,M85 x 3mm Thk, Internal New.Holland parts of TC33DA, 1400, TC34DA
1. Quick Details of seal 370021:
| Part NO. | 370021 |
| Machine | Heavy‑Duty Trailer |
| Size | OEM |
| Material | NBR |
| Oil seal type | SEAL LIP |
2. 370021 parts on group :
| NO. | PART NO. | PRAT NAME | QTY |
| 1 | 370021 | SNAP RING,M85 x 3mm Thk, Internal | 3 |
| 2 | 84074481 | COVER | 1 |
| 3 | 84074473 | BALL BEARING | 1 |
| 4 | 84074468 | SET OF RINGS | 1 |
| 5 | 37198 | BALL BEARING,1.7717" ID x 3.3465" OD x 0.7487" | 1 |
| 6 | 84074456 | SPACER | 1 |
| 7 | 84074447 | GEAR | 1 |
| 8 | 84074450 | SHAFT | 1 |
| 9 | 9825886 | BALL BEARING,55 mm ID x 90 mm OD x 18 mm | 1 |
| 10 | 370013 | SNAP RING,M90 x 3mm Thk, Internal | 2 |
| 11 | 920018133 | SEAL | 1 |
| 12 | 84074476 | PLATE | 1 |
| 13 | 84074445 | GEAR | 1 |
| 14 | 43151 | BOLT,Hex, M12 x 20mm, CI 8.8, Full Thd | 2 |
| 15 | 412123 | LOCK WASHER,13.1mm ID x 21.1mm OD x 2.55mmThk | 2 |
| 16 | 84074477 | COVER | 1 |
| 17 | 84074478 | SEALING RING | 1 |
| 18 | 84074474 | BALL BEARING | 1 |
| 19 | 84320871 | SHAFT | 1 |
| 20 | 84074451 | SHAFT | 1 |
3. 370021 picture:
4. Service part number :
| PART NO. | PART NO. | Part NO. |
| 7013S | 471535 | 471354 |
| 471549 | 471538 | 480630 |
| 471255 | 470954 | 471795 |
| 471554 | 254287 | 473211 |
| 471267 | 7013S | 471192 |
| 450867 | 471549 | 481192 |
| 471567 | 471255 | 473227 |
| 480028 | 471554 | 481181 |
5. FAQ
Q: Can this oil seal work steadily on rotating shaft assemblies?
A: Yes, the specially designed sealing lip fits rotary shafts to block internal lubricant leakage.
Q: How is its tolerance to engine oil and gear oil?
A: NBR material delivers reliable oil resistance under conventional equipment working conditions.
Q: What practical functions can this seal achieve in long‑distance transportation?
A: It keeps bearing grease locked firmly inside hub cavity, and blocks road dust, muddy slurry and splashing rainwater from entering internal bearing rolling components.
Q: Can this seal maintain stable performance under bumpy road vibration and temperature variation?
A: NBR rubber keeps good elasticity under continuous shock load, red protective coating slows metal rust when trailers run through wet muddy road sections.
Q: Are these oil seal kits manufactured according to standard installation dimensional specifications?
A: Each complete kit is precision machined to match standard heavy‑duty trailer wheel‑hub bore dimensions.
Q: Will long‑time continuous high‑speed running accelerate the abrasion of sealing lip?
A: Spring‑assisted lip structural design optimizes surface contact pressure, reducing lip wear during long‑haul high‑speed rotary working cycles.
Q: What common engine failures can this oil seal kit effectively prevent?
A: It avoids crankshaft and camshaft oil leakage, and stops oil seepage on joint surfaces caused by long-time engine vibration.
Q: How well can this full sealing kit block mud, gravel dust and hot gear oil mist on muddy outdoor road job sites?
A: The multi-layer flexible rubber lip scrapes thick mud off the shaft surface, the fully enclosed plated metal shell blocks coarse dust particles, and inner auxiliary rubber layers isolate high-temperature oil mist to protect internal precision gears.
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