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W638/4-2Z SKF Width 4mm 4x9x4mm Deep groove ball bearings - Industrial Bearing

  W638/4-2Z SKF Width 4mm 4x9x4mm Deep groove ball bearings

W638/4-2Z SKF Width  4mm 4x9x4mm  Deep groove ball bearings pdf
Bearing number W638/4-2Z
Size (mm) 4x9x4
Brand SKF
Bore Diameter (mm) 4
Outer Diameter (mm) 9
Width (mm) 4
d 4 mm
D 9 mm
B 4 mm
C 4 mm
d1 5.2 mm
d2 – mm
r1 min. 4.8 mm
r2 min. 4.8 mm
D1 8.1 mm
D2 0.1 mm
da min. 5.1 mm
Da max. 8.2 mm
ra max. 0.1 mm
Weight 0.0009 Kg
Basic dynamic load rating (C) 0.364 kN
Basic static load rating (C0) 0.114 kN
Fatigue load limit (Pu) 0.005
Reference speed 140000 r/min
Limiting speed 70000 r/min
Calculation factor (f0) 6.5

  Detailed Parameters

  parameter:

SL04-5048NR Cylindrical roller bearingsOuter Diameter :360mm ,Size :240x360x160mm ,Bore Diameter :240mm ,Brand:NTN
7213DT Angular contact ball bearingsOuter Diameter :120mm ,Brand:CYSD ,Size :65x120x23mm ,Bore Diameter :65mm
6309 Deep groove ball bearingsBore Diameter :45.000mm ,Outer Diameter :100.000mm ,Brand:NTN-SNR ,Size :45x100x25mm
594/593X Tapered roller bearingsWidth :35.992mm ,Size :95.25x150x35.992mm ,d:95.25 mm ,Outer Diameter :150mm ,Brand:CX ,Bore Diameter :95.25mm
MK12101 Needle roller bearingsOuter Diameter :25.400mm ,Width :15.880mm ,Fw:19.050 mm ,Bore Diameter :19.050mm ,Size :19.050x25.400x15.880mm ,Brand:KOYO
NUP 1084 Cylindrical roller bearingsWidth :90mm ,Brand:NACHI ,Outer Diameter :620mm ,Bore Diameter :420mm ,d:420 mm ,Size :420x620x90mm
PK22X30X17.8 Needle roller bearingsFw:22.000 mm ,Outer Diameter :30.000mm ,Bc:17.800 mm ,Bore Diameter :22.000mm ,Ew:30.000 mm ,Brand:NTN
SBB 22-2RS Plain bearingsd:34.925 mm ,Brand:IKO ,Bore Diameter :34.925mm ,Outer Diameter :55.562mm ,Width :30.15mm ,Size :34.925x55.562x30.15mm
NNCF4984V Cylindrical roller bearingsOuter Diameter :523mm ,Width :140mm ,Brand:NSK ,Size :420x523x140mm ,Bore Diameter :420mm
7018C Angular contact ball bearingsWidth :24mm ,Brand:CRAFT ,Bore Diameter :90mm ,Size :90x140x24mm ,d:90 mm ,Outer Diameter :140mm

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