Extra-small ball bearings,miniature ball bearings
  • Extra-small ball bearings,miniature ball bearings
  • 639 Open

639 Bearing | Extra-small ball bearings,miniature ball bearings

639 interchange JTEKT Corporation(Koyo) | Jtekt North America | NSK Rolling Bearing | ISO | NSK 639
639 cross reference JTEKT Corporation(Koyo) | Jtekt North America | NSK Rolling Bearing | ISO | NSK 639
639 Equivalent bearing interchange guide:
Price: enquiry
Model Number: 639
d: 9.0
D: 0.60
B: 639
r(min): 24000
r1(min): 30
Width: 0.210
Size: 7.50
SD: 2.10
R: 10.0
NG: 29000


628ZZ Shielded ZZ,ZZX

SD: 1.40

R: 8.0

NG: 0.30

D: 28000

CU: 24

CR: 0.060

W686ZZ Shielded ZZ,ZZX

SD: 0.44

R: 6.0

NG: 0.15

D: 48000

CU: 13

CR: 0.010

628 Open

SD: 1.40

R: 8.0

NG: 0.30

D: 28000

CU: 24

CR: 0.060

ML6019ZZ Shielded ZZ,ZZX

SD: 1.05

R: 6.0

NG: 0.30

D: 40000

CU: 19

CR: 0.04

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