NU2308 Single Row Cylindrical Roller Bearing 40×90×33mm Open Type For Gearbox Heavy Duty Mining Machinery OEM
???? 1. Product Overview
Product Overview
The NU2308 single row cylindrical roller bearing is separable open type. It withstands heavy radial loads and permits axial displacement between inner and outer rings to compensate thermal expansion of the shaft.
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???? 2. ???? Key Advantages
Key Advantages
High heavy radial load capacity Separable design for easy assembly and disassembly Inner ring allows axial sliding to absorb shaft thermal elongation Excellent resistance to impact loads Ideal for high-power heavy transmission systems
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???? 3. ???? Applications
Applications
This bearing is widely used in:
Gearboxes Construction machinery Electric motors Heavy-duty transmission units Mining equipment
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???? 4. Technical Specifications
Technical Specifications
表格
| Item | Parameter |
|---|---|
| Model | NU2308 |
| Inner Diameter (ID) | 40 mm |
| Outer Diameter (OD) | 90 mm |
| Width | 33 mm |
| Structure | Single row cylindrical roller bearing, NU design |
| Sealing Type | Open type |
| Material | Chrome steel |
| Dynamic Load Rating | 146 kN |
| Static Load Rating | 162 kN |
| Limiting Speed(Grease) | 6300 rpm |
| Limiting Speed(Oil) | 7500 rpm |
| Weight | 1.02 kg |
| Gear Type | N/A |
???? Full technical data and drawings available upon request
???? 5. ???? Why Choose GQZ Bearing
Why Choose GQZ Bearing
25+ years experience in industrial bearing manufacturing
Exported to 50+ countries worldwide
Rich experience in OEM & custom projects
Strict quality inspection before shipment
Fast response within 24 hours
Stable supply for long‑term cooperation
???? We focus on quality, reliability, and long‑term partnership
???? 6. ???? Quality Assurance
Quality Control
Raw material inspection
Precision machining process
Heat treatment control
Clearance & rotation testing
Final inspection before delivery
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???? 7. ???? CTA
Get a Quote Now
Looking for a reliable bearing supplier?
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Fast quotation within 24 hours
Technical support from engineers
Custom solution suggestions
Competitive factory price
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???? 8. FAQ
FAQ
Q1: Can you provide custom bearings? Yes, we support OEM and custom production based on drawings or requirements.
Q2: What is the delivery time? Standard models: 7–15 days Custom products: depending on specifications
Q3: Do you support bulk orders? Yes, we provide stable supply for long‑term cooperation.
Q4: What is the feature of NU type bearing? NU bearing can only carry radial load. Its inner ring can move axially freely to compensate shaft thermal expansion.
Q5: What’s your packing method? Standard industrial packing, also support customized packing upon demand.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.