Current location:Home > R4 Series Miniature Ball Bearing > R4B
R4B
  • R4B
Bearing Type Ball
Load Direction Radial
Construction Single Row
Seal Type Open
Model R4B
Bore Dia (d)
0.2500" | 6.350 mm
Bore Dia Tolerance -0.0003" to 0" | -0.008mm to 0
Outer Dia (D)
0.6250" | 15.875 mm
Outer Dia Tolerance -0.0003" to 0" | -0.008mm to 0
Width (B) 0.1960" | 4.978mm
Width Tolerance -0.005" to 0" | -0.12mm to 0
Ring Material Gcr15 | 52100 Chrome Steel
Ball Material Gcr15 | 52100 Chrome Steel
Cage Material Gcr15 | 52100 Chrome Steel
Shield Material Gcr15 | 52100 Chrome Steel
Dynamic Load Rating
(Cr) 
(N)
1610
Static Load Rating (Cor) (N) 660
Max Speed (Grease)
(X1000 RPM)

38
Max Speed (Oil) (X1000 RPM) 
45
Temperature Range
-30 to 110 ℃
Weight 4.5g

Request a Quote
  • *
  • *
  • *
  • Contact Us
    Ningbo Qitan Bearing Co.,Ltd
    Add : No.211 Nanyi Road, Zhenhai District, Ningbo, Zhejiang Province, China 315200
    Phone: +86 182 6295 3431
    Website: www.alibearing.com
    E-mail : lili@alibearing.com

    Scan And Chat

    Copyright ©2019 Ningbo Qitan Bearing Co.,Ltd
    Privacy Policy Terms and Conditions
    Please leave a message to us
    Please leave a message to us
  • *
  • *
  • *
  • *