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 |