Front Wheel Inner Hub Tapered Roller Bearing 33216
Matching bearing model: 32310 (outer side of the hub)
• Applicable vehicle models: Shaanxi Auto DeLong F2000, F3000, New M3000, X3000, HanDe 9.5-ton steering front axle
• Position relationship: Steering knuckle journal → Inner bearing 33216 → Hub → Outer bearing 32310 → Axle head nut → 81.44312.0009 Hub cover (exactly as you asked, the hub cover is on the outermost layer)
1. Support + Bearing: It bears the radial vertical load of the vehicle (the total vehicle weight), as well as the unidirectional axial thrust (the lateral force during turning and braking), which is significant for heavy trucks with heavy loads and during turns.
2. Reduce friction: Enables the wheels to rotate smoothly, converting the sliding friction between the hub and the steering knuckle into rolling friction.
3. Position the wheels: Limits the axial movement of the wheels to ensure accurate front wheel alignment and steering; damage to the bearings can cause the front wheels to sway and deviate.
Basic technical parameters
• Model: 33216 (commonly used foreign trade marking 33216X2 / 33216X2-1, domestic old model number 7816E)
• Dimensions: Inner diameter 80mm × Outer diameter 140mm × Thickness 46mm
• Material: GCr15 bearing steel, steel plate stamping cage
• Rated dynamic load: 308kN; Rated static load: 375kN
• Weight: Approximately 2.85kg
Features of tapered roller bearings: Separable type. The inner ring and the roller assembly can be disassembled and assembled separately from the outer ring, making maintenance convenient and highly suitable for heavy truck wheels.
Q: What is the bearing model?
A: Model 33216 (also marked 33216X2 / 33216X2-1), metric single row tapered roller bearing.
Q: Where is it installed?
A: Front wheel INNER hub bearing, fitted on Hande 9.5T front steering axle.
Matching outer bearing: 32310.
It works together with hub cap part No. 81.44312.0009.
Q: Which truck models fit?
A: Shacman Delong F2000, F3000, New M3000, X3000 with Hande 9.5 ton front axle.
Note: Not for 7.5T Hande axle, 7.5T uses 33214 instead.
Q: Common failure causes
A: Water ingress & grease loss caused by damaged hub cap, leading to overheating, noise, bearing seizure.
Symptoms: humming noise from front wheel, steering shimmy, pulling to one side.
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