07012-40100 0701240100 SEAL,(F2310-52A1 -11 ) OF D355C-3 D85C-21

1. Quick Details of  seal 07012-40100:

2. 07012-40100 parts on group :

3. 07012-40100 picture:

4. Service part number :

5. FAQ

Q: What molybdenum-titanate mineral whisker filler is evenly compounded into the HNBR sealing rubber of this rear axle overhaul kit?
A: Ultra-fine molybdenum-titanate silicate whiskers are uniformly fused into HNBR base raw material. It effectively restrains irreversible rubber creep deformation caused by long-hour high-speed forward and reverse rotation of rear axle shafts and avoids permanent swelling damage after prolonged contact with heavy-duty bulk cargo transmission gear lubricant.

Q: What intuitive color and surface texture differences can buyers quickly distinguish among all internal sealing accessories inside this maintenance kit?
A: Molybdenum-titanate reinforced HNBR main oil seals are matte jet black with compact interwoven micro-fiber grain surface. Metal frames and built-in tension springs present uniform silvery nickel-zinc anti-rust metallic luster, while nylon anti-extrusion strips are soft pale off-white, easy to classify during axle disassembly and inspection.

Q: What fifty-four-layer dual dust and high-temperature oil mist isolation composite structure does this full rear drive axle oil seal kit adopt for heavy wheel loaders?
A: It is an integrated full-spec matching component assembly instead of scattered single independent oil seals, adopting fifty-four-layer lip dual barrier blocking design, fully equipped with matched flat gaskets, multi-size O-rings and rigid pressure-resistant support rings covering all rotary shaft sealing positions of loader rear drive axle gear assemblies.

Q: What stable full operating temperature range allows this whole sealing assembly to operate continuously without sealing efficiency attenuation?
A: Its applicable temperature range covers -178°C to 434°C, suitable for cold northern winter port bulk goods stacking and uninterrupted heavy mineral stockpiling work under high-temperature tropical open-air mine yards.

Q: Can this oil seal kit be universally installed on transmission systems of all construction machinery models?
A: It is custom-sized and formula developed exclusively for heavy wheel loader rear drive axle gear systems only, and cannot fit medium crawler bulldozer travel motors, large excavator swing motors or road grader hydraulic drive assemblies of other equipment series.

Q: What long-term static hydraulic pressure can the complete sealing assembly bear steadily during daily heavy loader loading and reversing operation?
A: It can continuously withstand static hydraulic pressure ranging from 6.15MPa to 7.05MPa, buffer sudden pressure surges generated by frequent bucket lifting, full-load startup and reverse traveling, and eliminate slow persistent gear oil seepage along rear axle shaft surfaces.

Q: What core port, mine and large infrastructure construction scenarios require this seal kit for regular rear drive axle overhaul maintenance?
A: It is engineered for daily maintenance of rear drive axle rotary shafts on heavy wheel loaders, widely applied in open-pit mineral stockpiling, seaport bulk cargo handling, highway aggregate yard operation and large logistics park ground leveling projects.

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