Deep groove ball bearings are versatile, self-retaining bearings with solid outer rings, inner rings and ball and cage assemblies.

d  20  mm
D  52  mm
B  15  mm

D2  44,4  mm
Da max  45  mm
d1  30,3  mm
da min  27  mm
ra max  1  mm
rmin  1,1  mm


m  0,155  kg     Mass
Cr  16900  N     Basic dynamic load rating, radial
C0r  7900  N     Basic static load rating, radial
nG  9500  1/min     Limiting speed
nB  0  1/min     Reference speed
Cur  530  N     Fatigue limit load, radial

B   : Modified internal construction
M  : Solid brass cage, ball-guide.
DB : Two deep groove ball bearings in O arrangement, matched clearance-free
DF : Two deep groove ball bearings in X arrangement, matched clearance-free
DT : Two deep groove ball bearings in tandem arrangement, matched clearance-free
2RSR :  Lip seals on both sides
RSR:    Lip seal on one side
BRS :   Labyrinth seal
TVH :  Cage made from glass fibre reinforced polyamide
Y :       Sheet brass cage
2Z :     Gap seals on both sides
Z :       Gap seal on one side

We have 996.00 sets in stock . If you have reuqirements for the bearings given as above,please feel free to contact us.We can assure you the best quality ;the most competitive prices ; the shortest delivery time and the highest quality service .