Komatsu 20U-54-24781 Protector
| Min.Order Quantity |
1 pcs |
| Price |
Negotiable |
Product Features
Komatsu 20U-54-24781 Protector Size Chart (mm/inches) |
|---|
| Bearing number | 7204 CD/HCP4A |
| Size (mm) | 47x20x14 |
| Bore Diameter (mm) | 47 |
| Outer Diameter (mm) | 20 |
| Width (mm) | 14 |
| d | 20 mm |
| D | 47 mm |
| B | 14 mm |
| d1 | 29.1 mm |
| d2 | 29.1 mm |
| D1 | 38.7 mm |
| r1,2 - min. | 1 mm |
| r3,4 - min. | 0.3 mm |
| a | 11.6 mm |
| da - min. | 25.6 mm |
| db - min. | 25.6 mm |
| Da - max. | 41.4 mm |
| Db - max. | 44.6 mm |
| ra - max. | 1 mm |
| rb - max. | 0.3 mm |
| dn | 31.1 mm |
| Basic dynamic load rating - C | 11.9 kN |
| Basic static load rating - C0 | 5.8 kN |
| Fatigue load limit - Pu | 0.245 kN |
| Limiting speed for grease lubrication | 43000 r/min |
| Limiting speed for oil lubrication | 60000 mm/min |
| Ball - Dw | 7.938 mm |
| Ball - z | 11 |
| Gref | 1.539 cm3 |
| Calculation factor - f0 | 8.7 |
| Preload class A - GA | 45 N |
| Preload class B - GB | 90 N |
| Preload class C - GC | 180 N |
| Preload class D - GD | 360 N |
| Calculation factor - f | 1.03 |
| Calculation factor - f | 1 |
| Calculation factor - f2A | 1 |
| Calculation factor - f2B | 1.01 |
| Calculation factor - f2C | 1.03 |
| Calculation factor - f2D | 1.06 |
| Calculation factor - fHC | 1.01 |
| Preload class A | 28 N/micron |
| Preload class B | 37 N/micron |
| Preload class C | 50 N/micron |
| Preload class D | 70 N/micron |
| Category | Precision Ball Bearings |
| Inventory | 0.0 |
| Manufacturer Name | SKF |
| Minimum Buy Quantity | N/A |
| Weight / Kilogram | 0.094 |
| Product Group | B04270 |
| Enclosure | Open |
| Precision Class | ABEC 7 | ISO P4 |
| Material - Ball | Ceramic |
| Number of Bearings | 1 (Single) |
| Contact Angle | 15 Degree |
| Preload | None |
| Raceway Style | 1 Rib Outer Ring |
| Cage Material | Phenolic |
| Rolling Element | Ball Bearing |
| Flush Ground | No |
| Inch - Metric | Metric |
| Other Features | Single Row | Angular Contact | Super Precision | High Capacity | Hybrid | Corrosion Resistant Ball |
| Long Description | 20MM Bore; 47MM Outside Diameter; 14MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Ceramic Ball Material; 1 (Single) Bearings; 15 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring R |
| Category | Precision Ball Bearings |
| UNSPSC | 31171531 |
| Harmonized Tariff Code | 8482.10.50.28 |
| Noun | Bearing |
| Keyword String | Angular Contact Ball |
| Manufacturer URL | http://www.skf.com |
| Manufacturer Item Number | 7204 CD/HCP4A |
| Weight / LBS | 0.208 |
| Bore | 0.787 Inch | 20 Millimeter |
| Outside Diameter | 1.85 Inch | 47 Millimeter |
| Width | 0.551 Inch | 14 Millimeter |
| d1 | 29.1 mm |
| d2 | 29.1 mm |
| D1 | 38.7 mm |
| r1,2 min. | 1 mm |
| r3,4 min. | 0.3 mm |
| da min. | 25.6 mm |
| db min. | 25.6 mm |
| Da max. | 41.4 mm |
| Db max. | 44.6 mm |
| ra max. | 1 mm |
| rb max. | 0.3 mm |
| dn | 31.1 mm |
| Basic dynamic load rating C | 11.9 kN |
| Basic static load rating C0 | 5.85 kN |
| Fatigue load limit Pu | 0.245 kN |
| Attainable speed for grease lubrication | 43000 r/min |
| Attainable speed for oil-air lubrication | 60000 r/min |
| Ball diameter Dw | 7.938 mm |
| Number of balls z | 11 |
| Reference grease quantity Gref | 1.539 cm³ |
| Preload class A GA | 45 N |
| Static axial stiffness, preload class A | 28 N/µm |
| Preload class B GB | 90 N |
| Static axial stiffness, preload class B | 37 N/µm |
| Preload class C GC | 180 N |
| Static axial stiffness, preload class C | 50 N/µm |
| Preload class D GD | 360 N |
| Static axial stiffness, preload class D | 70 N/µm |
| Calculation factor f | 1.03 |
| Calculation factor f1 | 1 |
| Calculation factor f2A | 1 |
| Calculation factor f2B | 1.01 |
| Calculation factor f2C | 1.03 |
| Calculation factor f2D | 1.06 |
| Calculation factor fHC | 1.01 |
| Calculation factor f0 | 8.7 |
| Mass bearing | 0.09 kg |