Komatsu cylinder assembly 20M-63-02111 cylinder assembly
Min.Order Quantity |
1 pcs |
Price |
Negotiable |
Product Features
Komatsu cylinder assembly 20M-63-02111 cylinder assembly Size Chart (mm/inches) |
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Bearing number | 7005 CE/P4A |
Size (mm) | 47x25x12 |
Bore Diameter (mm) | 47 |
Outer Diameter (mm) | 25 |
Width (mm) | 12 |
d | 25 mm |
D | 47 mm |
B | 12 mm |
d1 | 31.6 mm |
d2 | 29.8 mm |
D1 | 39.21 mm |
r1,2 - min. | 0.6 mm |
r3,4 - min. | 0.3 mm |
a | 10.8 mm |
da - min. | 28.2 mm |
db - min. | 28.2 mm |
Da - max. | 43.8 mm |
Db - max. | 44.6 mm |
ra - max. | 0.6 mm |
rb - max. | 0.3 mm |
dn | 33.1 mm |
Basic dynamic load rating - C | 8.3 kN |
Basic static load rating - C0 | 4.2 kN |
Fatigue load limit - Pu | 0.173 kN |
Limiting speed for grease lubrication | 46000 r/min |
Limiting speed for oil lubrication | 70000 mm/min |
Ball - Dw | 6.35 mm |
Ball - z | 14 |
Gref | 1.3 cm3 |
Calculation factor - f0 | 7.5 |
Preload class A - GA | 45 N |
Preload class B - GB | 130 N |
Preload class C - GC | 260 N |
Calculation factor - f | 1.05 |
Calculation factor - f | 1 |
Calculation factor - f2A | 1 |
Calculation factor - f2B | 1.03 |
Calculation factor - f2C | 1.05 |
Calculation factor - fHC | 1 |
Preload class A | 24 N/micron |
Preload class B | 37 N/micron |
Preload class C | 50 N/micron |
Category | Precision Ball Bearings |
Inventory | 0.0 |
Manufacturer Name | SKF |
Minimum Buy Quantity | N/A |
Weight / Kilogram | 0.078 |
Product Group | B04270 |
Enclosure | Open |
Precision Class | ABEC 7 | ISO P4 |
Material - Ball | Steel |
Number of Bearings | 1 (Single) |
Contact Angle | 15 Degree |
Preload | None |
Raceway Style | 1 Rib Inner Ring and Outer Ring |
Cage Material | Phenolic |
Rolling Element | Ball Bearing |
Flush Ground | No |
Inch - Metric | Metric |
Other Features | Single Row | Angular Contact | High Speed E Design |
Long Description | 25MM Bore; 47MM Outside Diameter; 12MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Steel Ball Material; 1 (Single) Bearing; 15 Degree Contact Angle; Phenolic Cage Material; 1 Rib Inner Ring and |
Category | Precision Ball Bearings |
UNSPSC | 31171531 |
Harmonized Tariff Code | 8482.10.50.28 |
Noun | Bearing |
Keyword String | Ball Angular Contact |
Manufacturer URL | http://www.skf.com |
Outside Diameter | 1.85 Inch | 47 Millimeter |
Width | 0.472 Inch | 12 Millimeter |
Bore | 0.984 Inch | 25 Millimeter |
d1 | 31.6 mm |
d2 | 29.8 mm |
D1 | 39.21 mm |
r1,2 min. | 0.6 mm |
r3,4 min. | 0.3 mm |
da min. | 28.2 mm |
db min. | 28.2 mm |
Da max. | 43.8 mm |
Db max. | 44.6 mm |
ra max. | 0.6 mm |
rb max. | 0.3 mm |
dn | 33.1 mm |
Basic dynamic load rating C | 8.32 kN |
Basic static load rating C0 | 4.15 kN |
Fatigue load limit Pu | 0.173 kN |
Attainable speed for grease lubrication | 46000 r/min |
Attainable speed for oil-air lubrication | 70000 r/min |
Ball diameter Dw | 6.35 mm |
Number of balls z | 14 |
Reference grease quantity Gref | 1.3 cm³ |
Preload class A GA | 45 N |
Static axial stiffness, preload class A | 24 N/µm |
Preload class B GB | 130 N |
Static axial stiffness, preload class B | 37 N/µm |
Preload class C GC | 260 N |
Static axial stiffness, preload class C | 50 N/µm |
Calculation factor f | 1.05 |
Calculation factor f1 | 1 |
Calculation factor f2A | 1 |
Calculation factor f2B | 1.03 |
Calculation factor f2C | 1.05 |
Calculation factor fHC | 1 |
Calculation factor f0 | 7.5 |
Mass bearing | 0.074 kg |