2L05015ET Airtac 2L050 Yoke Type Track Rollers CRY As ceramic rollers are lighter

As ceramic rollers are lighter and have a higher modulus of elasticity and lower coefficient of thermal expansion than steel rollers

If you are bothered about the S03503CS0 35mm x 41mm x 2

MBL25X175CAT Airtac MBL Round Body Air Cylinder

RNFCL5050A3 NSK  Acme and Ball Screw

1512-14M-55-HP Timing Belt HTD

2L05015ET Airtac 2L050 Yoke Type Track Rollers CRY As ceramic rollers are lighter2L05015ET Airtac 2L050 Fluid control valve, stainless steel, for high temperature applications, 2 2 way direct acting, 050 series, normally closed, standard pressure, 1 2" NPT port, AC24V, terminal entry Product Info Acting Type Direct Acting Normally Closed Airtac 2l Stainless Steel Fluid Control Valves 2 2 Way For High Temperature Applications Product Series Airtac 2L Stainless Steel Fluid Control Valves For High Temp Applications Brand Airtac Coil