For komatsu WA420-1 SN20001- loader gear pump 705-56-34100 hydraulic Lift dump steering pump small pump parts
Welcome to Jinan Excavator Parts Company the For komatsu WA420-1 SN20001- loader gear pump 705-56-34100 hydraulic Lift dump steering pump small pump parts online 52x25x15 seller. 52x25x15 Size (mm)
Min.Order Quantity |
1 pcs |
Price |
Negotiable |
Product Details
Bearing number | 7205 CD/P4A |
Size (mm) | 52x25x15 |
Bore Diameter (mm) | 52 |
Outer Diameter (mm) | 25 |
Width (mm) | 15 |
d | 25 mm |
D | 52 mm |
B | 15 mm |
d1 | 34.1 mm |
d2 | 34.1 mm |
D1 | 43.7 mm |
r1,2 - min. | 1 mm |
r3,4 - min. | 0.3 mm |
a | 12.8 mm |
da - min. | 30.6 mm |
db - min. | 30.6 mm |
Da - max. | 46.4 mm |
Db - max. | 49.6 mm |
ra - max. | 1 mm |
rb - max. | 0.3 mm |
dn | 36.1 mm |
Basic dynamic load rating - C | 13.5 kN |
Basic static load rating - C0 | 7.2 kN |
Fatigue load limit - Pu | 0.305 kN |
Limiting speed for grease lubrication | 30000 r/min |
Limiting speed for oil lubrication | 45000 mm/min |
Ball - Dw | 7.938 mm |
Ball - z | 13 |
Gref | 1.872 cm3 |
Calculation factor - f0 | 9.1 |
Preload class A - GA | 50 N |
Preload class B - GB | 100 N |
Preload class C - GC | 200 N |
Preload class D - GD | 400 N |
Calculation factor - f | 1 |
Calculation factor - f2A | 1 |
Calculation factor - f2B | 1.01 |
Calculation factor - f2C | 1.03 |
Calculation factor - f2D | 1.05 |
Calculation factor - fHC | 1 |
Preload class A | 29 N/micron |
Preload class B | 38 N/micron |
Preload class C | 52 N/micron |
Preload class D | 72 N/micron |
Category | Precision Ball Bearings |
Inventory | 0.0 |
Minimum Buy Quantity | N/A |
Weight / Kilogram | 0.14 |
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 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 |
Long Description | 25MM Bore; 52MM Outside Diameter; 15MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Steel Ball Material; 1 (Single) Bearings; 15 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring Rac |
UNSPSC | 31171531 |
Harmonized Tariff Code | 8482.10.50.28 |
Noun | Bearing |
Keyword String | Angular Contact Ball |
Manufacturer Item Number | 7205 CD/P4A |
Weight / LBS | 0.298 |
Width | 0.591 Inch | 15 Millimeter |
Bore | 0.984 Inch | 25 Millimeter |
Outside Diameter | 2.047 Inch | 52 Millimeter |
r1,2 min. | 1 mm |
r3,4 min. | 0.3 mm |
da min. | 30.6 mm |
db min. | 30.6 mm |
Da max. | 46.4 mm |
Db max. | 49.6 mm |
ra max. | 1 mm |
rb max. | 0.3 mm |
Basic dynamic load rating C | 13.5 kN |
Basic static load rating C0 | 7.2 kN |
Fatigue load limit Pu | 0.305 kN |
Attainable speed for grease lubrication | 30000 r/min |
Attainable speed for oil-air lubrication | 45000 r/min |
Ball diameter Dw | 7.938 mm |
Number of balls z | 13 |
Reference grease quantity Gref | 1.872 cm³ |
Preload class A GA | 50 N |
Static axial stiffness, preload class A | 29 N/µm |
Preload class B GB | 100 N |
Static axial stiffness, preload class B | 38 N/µm |
Preload class C GC | 200 N |
Static axial stiffness, preload class C | 52 N/µm |
Preload class D GD | 400 N |
Static axial stiffness, preload class D | 72 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 | 1.05 |
Calculation factor fHC | 1 |
Calculation factor f0 | 9.1 |
Mass bearing | 0.13 kg |
Company Profile
Worktime |
9:00-18:00(Beijing time) |
Phone |
86 0531-8299 9952 |
Fax |
86 0531 -82990353 |