W639/3-2RS1 SKF 3x8x4mm Fatigue load limit (Pu) 0.004 Deep groove ball bearings


Bearing number | W639/3-2RS1 |
Size (mm) | 3x8x4 |
Brand | SKF |
Bore Diameter (mm) | 3 |
Outer Diameter (mm) | 8 |
Width (mm) | 4 |
d | 3 mm |
D | 8 mm |
B | 4 mm |
C | 4 mm |
d1 | 4.3 mm |
d2 | – mm |
r1 min. | 4.2 mm |
r2 min. | 4.2 mm |
D1 | 7.3 mm |
D2 | 0.15 mm |
da min. | 4.3 mm |
Da max. | 7.3 mm |
ra max. | 0.15 mm |
Weight | 0.00083 Kg |
Basic dynamic load rating (C) | 0.319 kN |
Basic static load rating (C0) | 0.09 kN |
Fatigue load limit (Pu) | 0.004 |
Reference speed | – r/min |
Limiting speed | 43000 r/min |
Calculation factor (f0) | 6.1 |
Detailed Parameters
parameter:
B300-6 Deep groove ball bearings | Width :35mm ,Size :300x395x35mm ,Bore Diameter :300mm ,Outer Diameter :395mm ,Brand:NSK |
DCL118 Needle roller bearings | Width :12.7mm ,Bore Diameter :17.462mm ,Size :17.462x22.225x12.7mm ,Fw:17.462 mm ,Brand:NTN ,Outer Diameter :22.225mm |
6801-2NKE Deep groove ball bearings | Brand:NACHI ,Outer Diameter :21mm ,Bore Diameter :12mm ,Size :12x21x5mm |
SY 1. TR Bearing units | Bore Diameter :25.4mm ,Brand:SKF ,s1:19.8 mm ,A1:22 mm ,A:36 mm ,d:25.4 mm |
S71920 CD/P4A Angular contact ball bearings | Width :20mm ,Bore Diameter :140mm ,Brand:SKF ,Outer Diameter :100mm ,Size :140x100x20mm |
7905UCG/GNP42 Angular contact ball bearings | Bore Diameter :25mm ,Brand:NTN ,Size :25x42x9mm ,Outer Diameter :42mm |
TLA 2516 Z Needle roller bearings | Fw:25 mm ,Width :16mm ,Brand:IKO ,Size :25x32x16mm ,Bore Diameter :25mm ,Outer Diameter :32mm |
NN4960 Cylindrical roller bearings | d:300 mm ,Brand:NTN ,Size :300x391x118mm ,Width :118mm ,Outer Diameter :391mm ,Bore Diameter :300mm |
6206DD Deep groove ball bearings | Width :16mm ,Brand:KBC ,Outer Diameter :62mm ,Bore Diameter :30mm ,Size :30x62x16mm |
2316 Self aligning ball bearings | Bore Diameter :80mm ,Outer Diameter :170mm ,Brand:AST ,Bearing Type - double row self-aligning:double row selfaligning ,Size :80x170x58mm ,Width :58mm |
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