COS-BK Rod Ends

Technical parameter Unit Value
Sliding contact surface Steel / PTFE
Working temperature °C -50 / +150
Type of lubrication PTFE
Bore Size Range mm 5 – 30

Looking for CHS-BK (female) Rod End Sizing?

Rod Ends: COS-BK Sizing

Dimensions (mm) Basic Load Ratings (kN)
Ball Housing Head Length To Part Thread Thread Ball Dynamic Static Tilt
Product Bore Width Width Dia. Ball Center Length Length Size Dia. Load Load Angle Mass
Number d B C D h1 L4 L3 6g dm Cr Cor α° (g)
COS 5 BK 5 8 6 18 33 42 19 M5 11.1 6.0 5.0 13 14
COS 6 BK 6 9 6.75 20 36 46 21 M6 12.7 7.7 7.2 13 18
COS 8 BK 8 12 9 24 42 54 25 M8 15.9 12.9 13.0 14 33
COS 10 BK 10 14 10.5 28 48 62 28 M10 19.1 18.0 18.5 13 55
COS 12 BK 12 16 12 32 54 70 32 M12 22.2 24.0 20.8 13 60
COS 14 BK 14 19 13.5 36 60 78 36 M14 25.4 31.0 32.0 16 124
COS 16 BK 16 21 15 42 66 87 37 M16 28.6 39.0 45.2 15 189
COS 18 BK 18 23 16.5 46 72 95 41 M18x1.5 31.8 47.5 46.9 15 255
COS 20 BK 20 25 18 50 78 103 45 M20x1.5 34.9 57.0 45.6 14 325
COS 22 BK 22 28 20 54 84 111 48 M22x1.5 38.1 68.0 61.1 15 433
COS 25 BK 25 31 22 60 94 124 55 M24x2 42.9 85.0 72.8 15 580
COS 28 BK 28 35 24 66 103 136 62 M27x2 47.6 102.9 78.6 15 714
COS 30 BK 30 37 25 70 110 145 66 M30x2 50.8 114.0 95.9 17 963

Speak with a bearing expert before placing an order to verify the part will accommodate the intended application usage.

Part numbers are right-hand thread. Left-hand tread will have an “L” after the “COS” to read “COSL”.