SKF 309 Bearing Cylindrical Bore 45 Mm High Speed Bearing Steel Cage 55 KN Dynamic Load 44 KN Static Load No Lubricant Included 7500 Rpm Limiting Speed For Precision Machinery And Industrial Applications

SKF Bearing 309: 45 mm bore, 100 mm OD, single unit
✔️ Bore 45 mm, OD 100 mm, width 25 mm, CN clearance, 1 row

SKF Bearing 309 is a single-row radial ball bearing with a cylindrical bore, manufactured from bearing steel and featuring a sheet metal cage. It finds typical use in equipment like conveyors, motors, and gearboxes where shafts rotate under steady loads and need dependable, straightforward replacement.

✅ Pack Size: 1 piece
✅ Bore Diameter: 45 mm (1.77 in)
✅ Outer Diameter: 100 mm (3.94 in)
✅ Width: 25 mm (0.98 in)
✅ Basic Dynamic Load Rating: 55 kN
✅ Basic Static Load Rating: 44 kN
✅ Material: Bearing steel
✅ Cage: Sheet metal
✅ Limiting Speed: 7500 r/min
✅ Radial Internal Clearance: CN
✅ Matched Arrangement: No
✅ Reference Speed: 13000 r/min
✅ Tolerance Class: Normal
✅ Sealing: Without Sealing (unsealed vs sealed ball bearings)
✅ Lubrication: None
✅ Pack Dimensions: 106 x 104 x 29 mm (4.17 x 4.09 x 1.14 in)

💡 What is a common use for a 45 mm bore radial ball bearing in industrial equipment? This handy bearing is used to support rotating shafts in a wide range of machines. - Handy for motors, conveyors, and gearboxes where shafts need stable rotation - Reduces friction and wear, extending equipment life - Easy to replace in standard housings and compatible with common mounting methods