33-99No. Mufu E Rd. Gulou District, Nanjing, China [email protected] | [email protected]
33-99No. Mufu E Rd. Gulou District, Nanjing, China [email protected] | [email protected]
Product Overview
This premium repair seal kit is engineered for Bonfiglioli BL311 planetary gearboxes (35,000 Nm torque rating), widely used in heavy-duty mobile and industrial machinery. It includes all essential shaft seals, O-rings, gaskets, and backup rings for full gearbox overhaul.
Made of imported high-quality NBR and FKM fluororubber, the kit delivers excellent oil resistance, temperature resistance, and wear resistance. It perfectly replaces original Bonfiglioli seals, solves common issues like oil leakage and pressure loss, and extends gearbox service life under continuous heavy-load operation.
Product Specifications
Item |
Detailed Parameter |
Product Name |
Bonfiglioli BL311 Gearbox Seal Kit |
Applicable Model |
BL311 (35,000 Nm Torque) |
Compatible Series |
Bonfiglioli 300 Series Planetary Gearbox |
Main Material |
Imported NBR / FKM Fluororubber + Reinforced Backup Ring |
Max Working Pressure |
32MPa |
Working Temperature |
-25°C ~ 110°C |
Kit Contents |
Shaft seal, O-rings, gaskets, backup rings, full overhaul parts |
Cross Reference OEM No. |
715303308, 6660000411 |
Net Weight |
Approximately 0.95kg |
Applicable System |
Planetary gearbox drive system |
Warranty |
12 Months |
Key Selling Points
1. 100% Exact OEM Replacement.Fully compatible with original Bonfiglioli BL311 planetary gearboxes. Matches OEM part numbers 715303308 and 6660000411. No modification required for direct installation.
2. Premium Imported Sealing Material.Core sealing parts adopt high-performance FKM rubber and reinforced backup rings. The material is oil-proof, corrosion-resistant, and aging-resistant, operating stably in temperatures from -25°C to 110°C.
3. Zero Leakage & High Pressure Durability.All components undergo strict testing under 32MPa high pressure. Eliminates internal and external oil leakage, maintaining stable transmission torque and consistent machine performance.
4. Complete All-in-One Repair Kit.Covers all sealing accessories needed for full gearbox maintenance. Complete parts reduce repair time and lower equipment operation costs.
5. Strict Factory Quality Control.Every seal kit passes air tightness, high pressure, and aging tests before delivery. Meets OEM standards and ensures reliable long-term industrial performance.
6. Application Scope.Suitable for Bonfiglioli BL311 gearboxes on various heavy-duty equipment:
Welcome to HOVOO, a Chinese seal factory. Production of PU, Rubber and PTFE seals. The seals include O-ring, piston seal, rod seal, Gray ring and gas seal.
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