HK4020
Tier-one manufacturer — brand supplied may vary ✓ Verified against manufacturer sourcesCouldn't load pickup availability
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HK4020 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 40 mm | 1.5748 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 47 mm | 1.8504 in | ISO table for this designation, confirmed by supplier data |
| Width (B) | 20 mm | 0.7874 in | ISO table for this designation, confirmed by supplier data |
| Bearing type | Drawn cup needle roller bearing, open ends | Stated by the designation | |
| Seals / shields | Open | Supplier catalogue listing | |
| Cage | Steel | Supplier catalogue listing | |
| Material | Steel | Supplier catalogue listing | |
| Dynamic load rating, C | 25.8 kN | 5,800 lbf |
|---|---|---|
| Static load rating, C0 | 52.49 kN | 11,800 lbf |
| Limiting speed, grease | 4,000 rpm | |
| Limiting speed, oil | 6,000 rpm | |
Equivalent to / interchanges with
| Brand | Part number | Basis |
|---|---|---|
| SKF | HK4020 | SKF Master Interchange |
Equivalents are dimensional and closure-for-closure: same bore, outside diameter, width, seals or shields and internal clearance. Bearing interchange tables
HK4020 is a drawn cup needle roller bearing, open ends, 40 mm bore × 47 mm OD × 20 mm wide (1.5748 × 1.8504 × 0.7874 in). Published interchange tables list it as equivalent to SKF HK4020. NTN catalogue values for HK4020: dynamic load rating C = 25.8 kN, static C0 = 52.49 kN, limiting speed 4,000 rpm on grease, 6,000 rpm on oil.
The HK4020 is a drawn cup needle roller bearing without an inner ring, designed for applications where the shaft serves as the raceway. This compact bearing features a thin-walled outer ring and small-diameter needle rollers that provide high radial load capacity in minimal radial space.
