Wholesale NU2308 Roller Bearing 40x90x33mm Open Cylindrical Bearing W33 Lubriion Groove Optional Industrial Bearing GQZ
Price:
USD 5-15
MOQ:
1 PCS
Delivery Time:
3-5 working days
Brand:
GQZ /OEM
Product Description
Wholesale NU2308 Roller Bearing 40x90x33mm Open Cylindrical Bearing W33 Lubriion Groove Optional Industrial Bearing GQZ
Product Overview
- NU2308 is a single-row open cylindrical roller bearing with dimensions 40×90×33mm, adopting NU structural design with single rib on outer ring and rib-free separable inner ring. It features ultra-heavy radial load capacity and allows independent disassembly of the inner ring, greatly simplifying installation and maintenance for gearboxes and heavy machinery. Optional W33 lubriion groove, brass cage and C3 enlarged clearance are available to meet different working conditions. It runs stably at medium speed and is widely used in heavy industrial transmission equipment.
*Send inquiry to get complete technical datasheet and factory price of NU2308 roller bearing.
Key Specifiions
| Specifiion | Value |
|---|---|
| Bearing Model | NU2308 |
| Bore d | 40 mm |
| Outer Diameter D | 90 mm |
| Width B | 33 mm |
| Min chamfer r | 1.5 mm |
| Dynamic load Cr | 138 kN |
| Static load C0r | 132 kN |
| Limiting speed (Grease) | 6200 r/min |
| Limiting speed (Oil) | 7400 r/min |
| Approximate weight | 1.82 kg |
| Cage | Stamped steel cage standard; brass cage optional |
| Optional suffix | W33 (outer ring lubriion groove & oil holes) |
Main Features
- NU separable inner ring design, convenient for assembly and disassembly on shafts
- Extra-wide cross-section, outstanding heavy radial load bearing capacity
- Open type structure, compatible with centralized oil supply lubriion system
- Standard C0 normal clearance; C3 enlarged clearance for high-temperature & tight-fit scenarios
- Stamped steel cage as standard, brass cage available for high-speed continuous operation
- W33 version with outer ring annular oil groove & lubriion holes for long-running equipment
Typical Appliions
- Industrial gearboxes and reduction units
- Construction engineering machinery
- Mining conveyor rollers and transport equipment
- Agricultural heavy processing machinery
- Steel mill light-duty transmission parts
- General heavy-duty rotary machinery
Why Choose GQZ Bearing
- High-purity GCr15 chrome bearing steel with full heat treatment to ensure stable hardness and excellent wear resistance.
- Precision grinding rollers and raceways, strict dimensional inspection to guarantee smooth rotation and long service life.
- Complete optional specifiions: brass cage, W33 lubriion groove, C3 clearance and P6 precision grade.
- Sufficient stock for NU series cylindrical roller bearings, support sample orders and bulk wholesale fast delivery.
- Provide professional technical selection consultation, OEM laser marking and customized packaging service.
*Contact our engineer to select cage type, clearance and W33 version for your machinery.
FAQ
Q1: Dimensions of NU2308?
A1: Bore 40 mm, OD 90 mm, Width 33 mm.
Q2: What is NU structure feature?
A2: Single rib on outer ring, separable inner ring for easy installation.
Q3: Can this bearing bear axial load?
A3: Mainly for heavy radial load, only withstand tiny accidental axial force.
Q4: What does W33 mean?
A4: W33 means outer ring with lubriion groove and oil holes, available as customized option.
Q5: What cage types are available?
A5: Stamped steel cage standard, brass cage optional.
*Large stock for NU series cylindrical roller bearings, support fast bulk shipment.
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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