3307BD-2RS Double Row 30° Contact Angle Rubber Sealed Angular Contact Ball Bearing 35×80×34.9mm For Heavy Reducers & Construction Machinery
3307BD-2RS is a double row angular contact ball bearing with BD reinforced internal structure and double-sided 2RS rubber seals, dimension 35×80×34.9mm, 30° large contact angle.
It simultaneously bears heavy radial load and bidirectional axial load with excellent anti-overturning rigidity. The double lip rubber seals effectively block mud, dust and water splashes, perfectly suitable for medium-heavy equipment operating in dusty and humid industrial environments.
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| Specifiion | Detail |
|---|---|
| Model | 3307BD-2RS |
| Inner Diameter (ID) | 35mm |
| Outer Diameter (OD) | 80mm |
| Width | 34.9mm |
| Contact Angle | 30° (BD type) |
| Structure | Double row angular contact ball bearing, BD optimized raceway, double-side 2RS composite rubber seal, stamped steel cage |
| Material | GCr15 bearing steel |
| Basic Dynamic Load Cr | 55kN |
| Basic Static Load C0r | 36.5kN |
| Grease Limiting Speed | 6800 r/min |
| Weight | 0.72kg |
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- 30° large contact angle BD structure greatly enhances bidirectional axial load capacity and tilting rigidity
- Double row ball arrangement handles combined radial-axial loads, stable under frequent impact loads
- Dual lip 2RS rubber seals isolate dust, metal debris and liquid splashes to extend service life
- Full heat treatment ensures high surface hardness, excellent wear resistance and fatigue life
- Support customized clearance, OEM laser marking and neutral export carton packaging
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This bearing is widely used in:
- Heavy-duty gear reducers, construction machinery transmission parts
- Large agricultural harvesters and feed processing equipment
- Mining heavy conveyor rollers and mixing machinery
- Industrial water pumps and medium vehicle differential assemblies
???? Ideal for customers looking for reliable heavy-duty sealed bearing solutions
- 25+ years experience in double row angular contact ball bearing manufacturing
- Full stock of 33 series open / 2RS / ZZ BD structure bearings for fast delivery
- 100% strict dimensional, noise, sealing and load testing before shipment
- Professional technical support reply within 24 hours
- Stable mass supply for machinery factories and overseas spare parts distributors
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- Raw material composition & hardness inspection
- Precision grinding and heat treatment process monitoring
- Contact angle tolerance and load rating calibration test
- 2RS rubber seal dustproof & splash resistance endurance test
- Final anti-rust oil coating and packaging inspection before delivery
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Looking for reliable heavy load double row sealed angular contact bearing supplier?
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- Fast quotation within 24 hours
- Engineer one-on-one equipment matching support
- Custom clearance and OEM marking service
- Competitive factory bulk wholesale price
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Q1: Can you supply open type 3307BD and metal shield 3307BDZZ?
Yes, we produce open, ZZ iron shield and 2RS rubber sealed three versions of 3307BD.
Q2: What is your delivery time?
In-stock standard models: 3–7 days; bulk custom orders: 7–15 days based on quantity.
Q3: Can this bearing bear large axial force?
Yes, BD 30° contact angle structure has stronger axial bearing capacity than standard 32 series bearings.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.