Ball bearing is not spring loaded. Thread is 8MM. 38mm high including threaded bolt. bolt is approx. A roller ball for conveyors etc.
eBay
VEICHU Ball Rollers VCN315 Presision Ball Stainless Steel Transfer Unit Wheel Roller Plungers Ball With Lock-Nut
Aliexpress UK
Specifications:Type: Flange-mountMaterial(Bearing Ball): NylonLoad Capacity(Max.): 8kg / 17lbBall Diameter: 12mm / 0.47 InchMounting Hole Dia.: 3.5mm / 0.14 InchOverall Size: 40x15mm / 1.57x0.59 Inch(DxH)Features:1. Ball Transfer Unit is omni-directional load-bearing spherical balls mounted inside a restraining fixture2. 360 degree universal transfer bearing ball is good for facilitating smooth, multi-directional motion3. Widely used in various transmission systems, feed systems, processing systems, packaging machinery auxiliary equipment, as well as object turning and confluence. Note: 1. Use for transporting stuff has a smooth or flat bottom2. If to transport something that has an uneven or soft bottom surface, the tray could help you3.
eBay
10PCS Retractable Ballpoint Pen with Shrink Films Sublimation Pens Blank Pens for Writing Pens Heat Transfer Ballpoint Pen Set
Aliexpress UK
Specifications:Type: Drop-inMaterial(Bearing Ball): NylonLoad Capacity(Max.): 8kg / 17lbBall Diameter: 12mm / 0.47 InchOverall Size: 23x15mm / 0.91x0.59 Inch(DxH)Features:1. Ball Transfer Unit is omni-directional load-bearing spherical balls mounted inside a restraining fixture2. 360 degree universal transfer bearing ball is good for facilitating smooth, multi-directional motion3. Widely used in various transmission systems, feed systems, processing systems, packaging machinery auxiliary equipment, as well as object turning and confluence. Note: 1. Use for transporting stuff has a smooth or flat bottom2. If to transport something that has an uneven or soft bottom surface, the tray could help you3. This ball transfer unit is not used as a swivel caster to move on the floorPackage Content:4 x Ball Transfer Unit.
eBay
Dragon Ball Iron on Transfer Hat Applique DIY Heat Transfer Stickers Creative Kids Paste Patches Bros for T Shirt Hoodie Clothes
Aliexpress UK
Alwayse Ball Transfer Unit Heavy Duty Series 805. Max Load (Ball Up)(kg ) 350 200 350. B - Working ht. of Ball(mm ) 13.8 13.8 13.8. Multi dirt exit holes assist unit cleaning. Unit Housing FinishCarbon Steel Stainless Steel Carbon Steel.
eBay
Dark Flower Magic Witch and Crystal Ball Patches For DIY Heat Transfer Clothes Thermal transfer stickers Decoration Printing
Aliexpress UK
The overall sizes are 20mm across. A roller ball for conveyors etc. 5mm from shoulder to top of the ball bearing. Ball bearing is not spring loaded.
eBay
Aluminum alloy ball head 17mm/20mm/25mm double ball head connecting rod motorcycle camera bracket transfer accessories
Aliexpress UK
Nylon : Nylon solidball transfer units, the main ball is made of reinforced nylon material (POM), with high abrasion resistance and hardness, flexible and silent, etc., to protect the conveying products, not easy to scratch.
eBay
Aluminum alloy 17mm ball head elbow to 13/17/20mm ball head adapter series phone motorcycle camera mount transfer accessories
Aliexpress UK
Omnitrack ball transfer unit, specifically a light-duty model with a square flange mounting. These units are designed for multidirectional movement of heavy items. All in excellent condition.
eBay
Hand Pump Car Fuel for Tank Sucker Oil Transfer Petrol for Diesel Liquid Syphon Saver Gas Manual Pumps Large-bore Ball H
Aliexpress UK
Alwayse 1000 Series Ball Transfer Unit – Conveyor Roller Table Caster – Heavy Duty – NEW. Conveyor tables. Ball bearing top for omni-directional rolling. Transfer platforms. Bolt hole spacing: standard for table mounts (see photos).
eBay
Ball Lock Quick Disconnect with Pressure Gauge and Adjustable PRV Spunding Valve 0-30 psi Homebrew Kegging Pressure Transfer
Aliexpress UK