GQZ W208PPB5 Spherical Outer Square Bore Agricultural Ball Bearing 31.75mm Square Shaft 80mm Outer Diameter Multi Lip Seal
The W208PPB5 is heavy-duty agricultural square bore ball bearing with spherical outer ring and multi-layer composite mud-proof seals. Designed for 1-1/4 inch square drive shafts, widely matched to disc harrows, round balers and combine harvesters. Spherical outer surface provides self-aligning function to compensate minor assembly misalignment. Fully sealed non-relubried structure, ideal interchange spare part for various farm tillage equipment.
???? Get a quote within 24 hours for your project- Model
- W208PPB5
- Square Bore (d)
- 31.75 mm (1-1/4 inch)
- Outer Diameter (D)
- 80 mm
- Inner Ring Total Width (B)
- 27 mm
- Outer Ring Width (C)
- 23 mm
- Structure
- Single row deep groove ball bearing, spherical O.D., square inner bore
- Material
- GCr15 chrome bearing steel
- Seal Type
- Multi-layer composite dust & mud resistant lip seal
- Relubricable
- Non-relubricable, permanently pre-greased
- Basic Dynamic Load Cr
- 27400 N
- Basic Static Load C0r
- 17300 N
- Approx Net Weight
- 0.52 kg
- Special square inner bore tightly locks agricultural square shafts to prevent slipping under heavy field load
- Spherical outer ring realizes self-alignment to absorb minor installation misalignment
- Multi-layer reinforced seals effectively block mud, crop residues, dust and water splash
- High toughness bearing steel withstands continuous vibration and impact during field operation
- Factory pre-filled long-life agricultural grease, maintenance-free sealed structure
- Custom options: OEM laser marking, anti-rust surface treatment, special low-temperature grease
This bearing is widely used in:
- Disc harrow, soil tillage and planting agricultural machinery
- Round baler, rotary rake and combine harvester transmission parts
- Farm grain conveying and straw crushing equipment
- Agricultural roller hubs and land preparation machinery
- 25+ years experience in agricultural special bearing manufacturing
- Exported to 50+ countries worldwide
- Rich experience in OEM & interchange square bore farm bearing projects
- Strict full-process quality inspection before shipment
- Fast response within 24 hours for technical consultation
- Stable bulk supply for agricultural machinery aftermarket distributors
- Raw material hardness inspection for GCr15 bearing steel
- Precision grinding & superfinishing of raceway and square bore
- Heat treatment metallurgy and hardness control
- Seal tightness, load & rotation smoothness testing
- Final dimensional and appearance inspection before delivery
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- Professional engineer technical support
- Custom bearing solution suggestions
- Competitive factory direct price
8. FAQ
Q1: Can you provide custom bearings?
Yes, we support OEM and custom production based on drawings and load requirements.
Q2: What is your delivery time?
Standard models: 7–15 days
Custom products: depending on specifiions
Q3: Do you support large bulk orders for agricultural aftermarket?
Yes, we provide stable mass supply for long-term cooperative distributors.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.