For komatsu WA420-1 SN20001- loader gear pump 705-56-34100 hydraulic Lift dump steering pump small pump parts

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For komatsu WA420-1 SN20001- loader gear pump 705-56-34100 hydraulic Lift dump steering pump small pump parts image

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For komatsu WA420-1 SN20001- loader gear pump 705-56-34100 hydraulic Lift dump steering pump small pump parts Specifications

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

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