|

Miniature Ball Bearings



Miniature Ball Bearings
Miniature ball bearings are a type of small-sized ball bearings designed to handle light loads and operate in compact spaces. They are commonly used in applications where space is limited and low-friction, precise movement is required. Despite their small size, miniature ball bearings offer reliable performance and are essential components in various industries and devices.

VIEW MORE
Features and benefits:
  • Capable of carrying relatively more minor loads.
  • Suitable for low, medium, and high speed applications.
  • Suited for low noise and low torque applications.
Item Code Inner Diameter Outer Diameter Width IDxODxW Dynamic Load Rating Static Load Rating Fatigue Load Limit Reference Speed Limiting Speed Material Cage Material End Type Mass
d D B C C0 PU m
mm kN rpm kg
  • Open
  • 2Z
  • 2RS

 

Item Code Shaft Diameter Nominal Dimensions Dynamic Load Rating Static Load Rating Fatigue Load Limit Material Mass
d1 H L A C C0 Pu m
mm kN kg
UC203 17 30.2 127 38 9.56 4.75 0.2 Cast Iron 0.08
UC204 20 33.3 127 38 12.7 6.7 0.285 Cast Iron 0.15
UC205 25 36.5 140 38 14.0 7.8 0.335 Cast Iron 0.19
UC206 30 42.9 165 48 19.5 11.4 0.480 Cast Iron 0.30
UC207 35 47.6 167 48 25.5 15.3 0.655 Cast Iron 0.46
UC208 40 49.2 184 54 32.5 20 0.85 Cast Iron 0.61
UC209 45 54 190 54 32.5 20.4 0.865 Cast Iron 0.74
UC210 50 57.3 206 60 35.1 23.2 0.98 Cast Iron 1.07
UC203 17 30.2 127 38 9.56 4.75 0.2 Cast Iron 0.08
UC204 20 33.3 127 38 12.7 6.7 0.285 Cast Iron 0.15
UC205 25 36.5 140 38 14.0 7.8 0.335 Cast Iron 0.19
UC206 30 42.9 165 48 19.5 11.4 0.480 Cast Iron 0.30
UC207 35 47.6 167 48 25.5 15.3 0.655 Cast Iron 0.46
UC208 40 49.2 184 54 32.5 20 0.85 Cast Iron 0.61
UC209 45 54 190 54 32.5 20.4 0.865 Cast Iron 0.74
UC210 50 57.3 206 60 35.1 23.2 0.98 Cast Iron 1.07

Applications
 
Agriculture
Automotive
Industrial Motors
Food Processing Machinery
Papermaking Machinery
Pumps & Compressors
Railway
Wind Energy

FAQ

Q: What are the typical sizes of miniature ball bearings?

-
Miniature ball bearings typically have outer diameters ranging from a few millimetres to around 30mm, with inner diameters starting from a fraction of a millimetre and going up to 10mm or more.

Q: Can miniature ball bearings handle bolt radial and axial loads?

-
Yes, miniature ball bearings can handle both radial and axial loads, but their axial load-carrying capacity is relatively limited compared to their radial load capacity.

Q: Are miniature ball bearings suitable for high-speed applications?

-
Yes, miniature ball bearings are designed to handle high rotational speeds, making them ideal for devices and equipment that require rapid movement.