For komatsu WA600-3 loader gear pump 705-53-31020 hydraulic small steering pump transmission pump parts

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For komatsu WA600-3 loader gear pump 705-53-31020 hydraulic small steering pump transmission pump parts Specifications

Bearing number:7218 CD/HCP4A
Size (mm):160x90x30
Bore Diameter (mm):160
Outer Diameter (mm):90
Width (mm):30
d:90 mm
D:160 mm
B:30 mm
d1:111.6 mm
d2:111.6 mm
D1:138.4 mm
r1,2 - min.:2 mm
r3,4 - min.:1 mm
a:31.9 mm
da - min.:101 mm
db - min.:101 mm
Da - max.:149 mm
Db - max.:154.4 mm
ra - max.:2 mm
rb - max.:1 mm
dn:117.5 mm
Basic dynamic load rating - C:127 kN
Basic static load rating - C0:112 kN
Fatigue load limit - Pu:4.2 kN
Limiting speed for grease lubrication:10000 r/min
Limiting speed for oil lubrication:16000 mm/min
Ball - Dw:22.225 mm
Ball - z:16
Gref:27.765 cm3
Calculation factor - f0:14.6
Preload class A - GA:480 N
Preload class B - GB:960 N
Preload class C - GC:1920 N
Preload class D - GD:3840 N
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:126 N/micron
Preload class B:171 N/micron
Preload class C:239 N/micron
Preload class D:349 N/micron
Category:Precision Ball Bearings
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:0
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 | High Capacity Basic Design
Long Description:90MM Bore; 160MM Outside Diameter; 30MM Width; Open Enclosure; ABEC 7 | ISO P4 Precision; Ceramic Ball Material; 1 (Single) Bearing; 15 Degree Contact Angle; Phenolic Cage Material; 1 Rib Outer Ring R
UNSPSC:31171531
Harmonized Tariff Code:8482.10.50.28
Noun:Bearing
Keyword String:Ball Angular Contact
Manufacturer Item Number:7218 CD/HCP4A
Weight / LBS:4.189
Width:1.181 Inch | 30 Millimeter
Bore:3.543 Inch | 90 Millimeter
Outside Diameter:6.299 Inch | 160 Millimeter
r1,2 min.:2 mm
r3,4 min.:1 mm
da min.:101 mm
db min.:101 mm
Da max.:149 mm
Db max.:154.4 mm
ra max.:2 mm
rb max.:1 mm
Basic dynamic load rating C:127 kN
Basic static load rating C0:112 kN
Fatigue load limit Pu:4.25 kN
Attainable speed for grease lubrication:10000 r/min
Attainable speed for oil-air lubrication:16000 r/min
Ball diameter Dw:22.225 mm
Number of balls z:16
Reference grease quantity Gref:27.765 cm³
Preload class A GA:480 N
Static axial stiffness, preload class A:126 N/µm
Preload class B GB:960 N
Static axial stiffness, preload class B:171 N/µm
Preload class C GC:1920 N
Static axial stiffness, preload class C:239 N/µm
Preload class D GD:3840 N
Static axial stiffness, preload class D:349 N/µm
Calculation factor f:1.09
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 f0:14.6
Mass bearing:1.83 kg

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