16 years of professional miniature bearing manufacturers
miniature bearings
638ZZ-Miniature Deep Groove Ball Bearings|638ZZ Miniature Deep Groove Ball Bearings Manufacturer|638ZZ Miniature Deep Groove Ball Bearings Price|638ZZ China Miniature Deep Groove Ball Bearings * Image is for reference only, Please refer to the actual product

638ZZ-Miniature Deep Groove Ball Bearings

  • Product: 638ZZ-Miniature Deep Groove Ball Bearings
  • Model: 638ZZ
  • Series: 63 Series Deep Groove Ball Bearings
  • Brand: DAW
  • E-mail: 001@szdhzc.com
Series 63 Series-Metric deep groove ball bearings
Type 638ZZ-Metric deep groove ball bearings
Bore Diameter(mm) 8
Outer Diameter(mm) 28
Width(mm) OPEN 9
ZZ 9
Grease Rate 25%~30%
* This sheet is for reference only. Please consult with DAW Bearing when selecting.

Series 63 Series-Deep Groove Ball Bearings
Type 638ZZ-Deep Groove Ball Bearings
Clearance(mm) Minimum(mm) 0.005
Maximum(mm) 0.013
Material Inner circle Gcr15 Testing standards GB-T 305-1998
Outer circle Gcr15 GB-T 305-1998
Steel ball Gcr15 GB-T 305-1998
Dust cover(ZZ) SPCC/SUS GB-T 305-1998
Grease LY series JB-T 8571-1997
High temperature resistance(℃) -50~150 JB-T 8571-1997
Basic dynamic load rating

Cr(N)

4160
Basic static load rating

Cor(N)

1780
Max.Speed Grease *1000rpm 66
Oil 68
* This sheet is for reference only. Please consult with DAW Bearing when selecting.