691
SIAIF 691
Type

Small ball bearings and miniature ball bearings

Model：691
Thickness(mm)：1.6
Inner diameter d：1
Outer diameter D：4
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Detailed information

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Bearing code
  • Open691
  • Dust cover type-
Dimensions
  • d1
  • D4
  • B1.6
  • B1-
  • r (1) (Minimum)0.1
  • r1 (1) (Minimum)-
Load rating (N)
  • Cr38
  • Cor35
Load rating {kgf}
  • Cr14
  • Cor3.5
Limit speed(rpm)
  • Grease lubrication ZZ100000
  • Oil lubrication Z120000
Installation size (mm)
  • d a (Minimum)1.8
  • d b (Maximum)-
  • Da (Maximum)3.2
  • Db (Minimum)-
  • r a (Maximum)0.1
  • r b (Maximum)-
weight(g) (Refer to)
  • Open0.09
  • Dust cover type-

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