Highlight:
Snap ring M85 x 3mm
, Internal snap ring New Holland
, Snap ring TC33DA 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.
6. Exhibition and Wearhous
Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More
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