If you are bothered about the JB040XP0 4"x4
02 Outside diameter - mm: 150 Width - mm: 24 Bore: cylindrical Extended Inner Ring: no Sealing: open Seals material: without Ring Material: Rolling Bearing Steel Rolling Element Material: Rolling Bearing Steel Cage Material: Sheet Steel Lubricant: oiled Lifetime lubricated: no Internal Clearance: CN (Standard) Precision Class: ABEC 1 / P0 Noise and vibration testing: Class V max
open bearing Cage Polyamide cage Clearance Slightly increased radial clearance Precision class Tolerance class P6 / ABEC 3 Outer ring Without flange/groove Contact angle 30 degree Arrangement Standard version Lubrication Greased Net weight 0
12 kN Speed in grease = 80000 rpm Speed in oil = 130000 rpm Preloading force Fv L = 6 N Preloading force Fv M = 19 N Preloading force Fv H = 38 N Unloading force KaE L = 18 N Unloading force KaE M = 60 N Unloading force KaE H = 125 N Axial rigidity Ca L = 10
ACE63X55SB
Airtac Compact Air Cylinder, Double Acting Axial Deep Groove Ball Bearings If you are bothered aboutACE63X55SB Airtac Compact Air Cylinder, Double Acting Compact pneumatic cylinder, double acting, 63mm bore, 55mm stroke, with magnet, rod with male thread, PT thread type Acting Type Double Acting Airtac ace Compact Air Cylinder ISO21287 Airtac Product Series Airtac ACE Compact Air Cylinder ISO21287 Bore Size 63mm Brand Airtac Component Type Compact Air Cylinder Magnet With Magnet Rod Type Male Thread Stroke Length 55mm Thread Type PT