GQZ HMK4030 Single Row Open Drawn Cup Needle Roller Bearing 40×50×30mm High Radial Load Capacity
HMK4030 is single row open drawn cup needle roller bearing. Thin stamped outer cup design saves installation space. It delivers superior radial load capacity and allows limited axial displacement. Suitable for compact structure equipment without enough mounting room. Widely used on air compressors, automotive assemblies, textile machinery and medium-speed heavy-duty rotary equipment.
Formal quotation will be sent within 24 hours upon your inquiry.
- Model
- HMK4030
- Dimensions
- Fw40 mm, D50 mm, C30 mm
- Net weight
- approx 0.112 kg
- Structure
- Single row open drawn cup needle roller bearing
- Material
- GCr15 bearing chrome steel, steel cage
- Feature
- Open ends, no built-in seals; inner ring IR35X40X34 can be matched
Complete dimension drawings and load data available on request.
- Ultra-compact cross-section for limited housing installation space
- High radial load capacity under continuous medium-speed operation
- Open-ended design supports convenient re-lubriion maintenance
- Thin drawn outer cup fits tightly into precision machined housing bore
- Permits slight axial sliding to release thermal expansion stress
- Customizable: OEM laser marking, high temperature special grease
- Screw air compressor rotor auxiliary assemblies
- Automotive transmission and engine auxiliary mechanisms
- Textile equipment and packaging machinery rotary shafts
- General industrial machinery with compact layout requirements
- Equipment needing high load bearing within narrow installation space
25 years professional bearing manufacturer, products exported globally.
Strict raw material inspection and precision grinding process.
24-hour technical support for model selection.
Ample stock for machinery distributors.
Precise dimensions and stable service performance.
GCr15 raw material quenching & tempering treatment
Precision superfinishing for raceways and needle rollers
Internal clearance and cage matching inspection
Dimension tolerance and rotational performance testing
If you need HMK4030 needle roller bearings: Send inquiry to obtain below supports:
- Quick quotation within 24 hours
- Inner ring matching suggestion
- Competitive factory direct price
Contact our sales team for full datasheets and formal offer.
- Q1: Main dimensions of HMK4030?
- 40×50×30 mm single row open drawn cup needle roller bearing.
- Q2: Load characteristic?
- Mainly withstand heavy radial load, allows limited axial displacement.
- Q3: Difference between HMK4030 and HK4030?
- HMK4030 outer diameter 50mm; HK4030 outer diameter 47mm, cannot interchange.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.