SEND AN ENQUIRY

Ceramic Balls

Carter is the premium supplier of the highest quality ceramic balls in the world. 

The quality of ceramic balls is absolutely critical for their performance. Carter has the best network of ceramic ball manufacturers in the world and can support any size requirement in a comprehensive range of precision classes. 
Carter Bearings provide a wide range of ceramic ball options across a variety of sizes. Material options include Silicon nitride (Si3N4), Zirconia (ZRO2) and Silicon carbide (SIC) from 0.4mm to just over 115mm in diameter with the most common sizes in between. Precision grades provided are 5, 10, 16, 25, and 100.

Ask a Question?

Please get in touch with our Sales Engineers to discuss your technical requirements.

Get In Touch

Grade Sphericity [mm] Lot diameter variation [mm] Nominal ball diameter tolerance [mm] Maximum surface roughness (Ra) [µm]
3 0.00008 0.00008 ±0.0008 0.012
5 0.00013 0.00013 ±0.0013 0.02
10 0.00025 0.00025 ±0.0013 0.025
25 0.0006 0.0006 ±0.0025 0.051
50 0.0012 0.0012 ±0.0051 0.076
100 0.0025 0.0025 ±0.0127 0.127
200 0.005 0.005 ±0.025 0.203
1000 0.025 0.025 ±0.127  
Grade Size range [in] Sphericity [in] Lot diameter variation [in] Nominal ball diameter tolerance [in] Maximum surface roughness (Ra) [μin]
3 0.006–2 0.000003 0.000003 ±0.00003 0.5
5 0.006–6 0.000005 0.000005 ±0.00005 0.8
10 0.006–10 0.00001 0.00001 ±0.0001 1
25 0.006–10 0.000025 0.000025 ±0.0001 2
50 0.006–10 0.00005 0.00005 ±0.0003 3
100 0.006–10 0.0001 0.0001 ±0.0005 5
200 0.006–10 0.0002 0.0002 ±0.001 8
1000 0.006–10 0.001 0.001 ±0.005  
Material 52100 440C M50 BG-42 Si3N4
Hardness [HRC] 60 58 62 62 70
Temperature limit [°F] 300 300 400 400 1500
Corrosion resistance 1 3 1 2 5
Cost 1 1 1 2 5
Magnetic Magnetic Magnetic Magnetic Magnetic Non-magnetic
Electrical Conductivity Conductive Conductive Conductive Conductive Non-conductive
Relative load capacity 3 2 4 4 5
Relative fatigue life 3 2 4 4 5

 

Where 1 is lowest and 5 is highest. 

Send An Enquiry

For more information, please call us today on +44 (0) 1865 821 720 or +1 888 501 5444

Book a video or telephone meeting today:

First Name*
 
Last Name*
 
Email*
 
Telephone
Company
Territory*
 
Message*
 
I want to receive latest news, product updates, discounts & offers from Carter Manufacturing via:

Choose your Location: