203KRR Cylindrical Outer Ring Insert Ball Bearing Double R Lip Seal 16.256x40x18.288mm Tractor Harrow Agricultural Equipment
The 203KRR cylindrical outer ring insert ball bearing belongs to 200 series agricultural heavy-duty bearing, equipped with double-sided reinforced R multi-lip rubber seal, designed for muddy, dusty farm working conditions. It bears radial load and slight axial load, widely matched to disc harrows, seeders, tractors and tillage equipment requiring strong anti-mud sealing performance.
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| Model | 203KRR |
|---|---|
| Inner Bore Diameter (d) | 16.256mm (0.64 inch) |
| Outer Diameter (D) | 40mm (1.575 inch) |
| Total Inner Ring Width (B) | 18.288mm (0.72 inch) |
| Outer Ring Width (C) | 12mm |
| Seal Outer Diameter D1 | 32.6mm |
| Min Fillet Radius r | 0.6mm |
| Structure | Cylindrical outer ring single row insert ball bearing |
| Seal Type | Double-sided reinforced multi-lip R contact rubber seal |
| Internal Clearance | C3 enlarged clearance for high temperature & heavy vibration |
| Cage Type | Stamped steel cage |
| Material | GCr15 high carbon chromium bearing steel |
| Basic Dynamic Load Cr | 9800N |
| Basic Static Load C0r | 47500N |
| Grease Limiting Speed | 6200rpm |
| Approximate Net Weight | 0.08kg |
| Operating Temperature Range | -25℃ ~ +115℃ |
| Gear Type (if any) | None |
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- Double multi-lip R reinforced seal structure effectively blocks mud, soil, crop debris and splashing rainwater in farmland
- C3 enlarged internal clearance offsets thermal expansion and vibration deformation under long-hour farm field operation
- Integrated thickened inner ring improves anti-impact capacity against bumpy field load shocks
- Cylindrical smooth outer ring fits standard round housing bore, easy press-fit installation without adapter sleeve
- Pre-filled anti-washout agricultural long-life grease resists water dilution and extends maintenance cycle
- Multiple derivative versions available: 203KRR2 medium seal, 203KRR6 triple lip heavy mud-proof greasable type
- Universal inch bore size, fully interchangeable with mainstream agricultural machinery aftermarket replacement bearings
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This heavy mud-proof agricultural insert bearing is widely used in:
- Disc harrow, rotary tiller and soil preparation farming equipment rotary shafts
- Agricultural tractors, planters, seeders and fertilizer spreading machinery
- Lawn mowers, garden tillers and small agricultural harvesting auxiliary assemblies
- Light construction compact rollers and conveying agricultural processing equipment
???? Ideal for customers looking for high sealing heavy-duty farm insert bearing solutions
- 25+ years experience in agricultural sealed insert ball bearing manufacturing
- Exported to many countries worldwide
- Rich OEM bulk order experience for farm machinery harrow & tractor bearings
- Strict full-process sealing mud resistance, clearance grouping and rotation vibration inspection before shipment
- Fast professional engineer technical response within 24 hours
- Stable mass supply for long-term agricultural machinery factory cooperation
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- GCr15 bearing steel raw material composition and hardness inspection
- Precision superfinishing grinding for inner and outer raceway surfaces
- Standard quenching & tempering heat treatment control
- Seal mud immersion leakage test, C3 clearance classifiion and high-speed vibration aging test
- Full dimensional final inspection and individual anti-rust plastic packaging
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Looking for a reliable double R multi-lip seal cylindrical agricultural insert ball bearing supplier?
???? Send your inquiry to get:
- Fast quotation within 24 hours
- Professional engineer technical support
- Custom triple lip seal, greasable port and special anti-mud grease solution suggestions
- Competitive factory wholesale price
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Q1: Can you provide custom agricultural insert bearings?
Yes, we support OEM custom production based on seal structure, bore size and greasing port requirements.
Q2: What is your delivery time?
Standard stock 203KRR: 7–12 working days
Custom triple lip seal / special anti-mud grease products: 12–18 working days
Q3: Do you support bulk orders?
Yes, we provide stable continuous mass supply for long-term farm machinery and agricultural equipment factory cooperation.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.