GQZ PRB45 Integrated Agricultural Hub Bearing Unit 45mm Bore Multi-Layer Sealed Relubricable For Harvester Packer Roller
Price:
negotiation
MOQ:
100.PCS
Delivery Time:
5 working days
Brand:
GQZ
Product Description
1. Product Overview
The PRB45 is an integrated heavy-duty agricultural hub bearing unit specially developed for harvester packer rollers. It adopts a double-row ball integrated structure with multi-layer composite sealing, supporting heavy radial loads in muddy, crop residue and high-dust farm environments, equipped with grease fitting for regular re-lubriion to extend service life.
???? Get a quote within 24 hours for your project2. Technical Specifiions
- Model
- PRB45
- Inner Bore Diameter (d)
- 45 mm
- Overall Assembly Width (A)
- 55 mm
- Inner Ring Width (B)
- 52 mm
- Mounting Hole Size
- 4×12.1 mm
- Mounting Pitch Circle Diameter (J)
- 208 mm
- Structure
- Double row integrated agricultural hub bearing unit
- Material
- GCr15 chrome bearing steel
- Seal Type
- Multi-layer composite dust & mud resistant seal
- Relubricable
- Yes, with grease nipple
- Basic Dynamic Load Cr
- 51000 N
- Basic Static Load C0r
- 39000 N
- Fatigue Load Limit Pu
- 1638 N
- Approx Net Weight
- 4.66 kg
3. Key Advantages
- Integrated double-row bearing design delivers ultra-high heavy load capacity for continuous harvesting operation
- Multi-layer composite seals effectively block mud, crop debris, dust and water splash
- Built-in grease fitting supports on-site re-lubriion, greatly reducing maintenance frequency
- Integrated hub housing simplifies installation, no extra matching parts required
- Good anti-shock performance adapting to uneven farm field and heavy impact
- Custom options: high temperature grease, anti-rust surface coating, OEM laser marking
4. Appliions
This bearing unit is widely used in:
- Combine harvester packer roller supporting system
- Large agricultural straw crushing and conveying equipment
- Farm soil tillage machinery and grain processing machines
- Heavy-duty agricultural roller wheel hub assembly
5. Why Choose GQZ Bearing
- 25+ years experience in professional agricultural special bearing manufacturing
- Exported to 50+ countries worldwide
- Rich experience in OEM & custom farm hub bearing projects
- Strict full-process quality inspection before shipment
- Fast response within 24 hours for technical consultation
- Stable bulk supply for agricultural machinery distributors
6. Quality Control
- Raw material hardness inspection for GCr15 bearing steel
- Precision grinding & superfinishing of raceway and inner bore
- Heat treatment metallurgy and hardness control
- Seal tightness, load & rotation smoothness testing
- Final dimensional and appearance inspection before delivery
7. Get a Quote Now
Looking for a reliable bearing supplier?
???? Send your inquiry to get:- Fast quotation within 24 hours
- Professional engineer technical support
- Custom bearing unit 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.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Wuxi Guangqiang Bearing Trade Co.,Ltd
Location
No. 650 North Xingyuan Road, Beitang District, Wuxi, China.
Contact Person
Mike Zhang