308 NR SKF Bearing Cylindrical Bore 40 Mm With Snap Ring Fitted Built To Last Heavy Duty High Load 45.7 kN Dynamic Rating And 36 kN Static Rating Bearing Steel Construction 8500 Rpm Max Speed

308 NR SKF heavy-duty cylindrical bore bearing 40 mm
✔️ 40 mm bore, 90 mm OD, snap ring fitted, 45.7 kN dyn load

The 308 NR SKF bearing is a single-row cylindrical bore unit with a snap ring, built by SKF for heavy-load shaftlines in industrial gear, conveyors, and pump assemblies. This rugged bearing handles high radial loads while staying securely mounted on cylindrical shafts.

Dimension	Metric	Imperial
Bore diameter	40 mm	1.57 in
Outer diameter	90 mm	3.54 in
Width	23 mm	0.91 in
Pack Length	104 mm	4.09 in
Pack Height	106 mm	4.17 in
Pack Width	29 mm	1.14 in

The bearing uses bearing steel, comes with a snap-ring locating feature, and has a sheet metal cage with filling slots. It operates at a limiting speed of 8500 r/min and a reference speed of 14000 r/min. It ships without lubricant or coating, designed for straightforward maintenance in clean environments.

✅ Basic Dynamic Load Rating: 45.7 kN
✅ Basic Static Load Rating: 36 kN
✅ Bearing Material: Bearing steel
✅ Bore Diameter: 40 mm (1.57 in)
✅ Outer Diameter: 90 mm (3.54 in)
✅ Width: 23 mm (0.91 in)
✅ Cage: Sheet metal
✅ Filling Slots: With
✅ Limiting Speed: 8500 r/min
✅ Reference Speed: 14000 r/min
✅ Sealing: Without
✅ Lubricant: None

💡 What is the best way to choose a cylindrical bearing for a high load in a machine? - Handy guide to match outer and bore sizes with the shaft and housing - Consider dynamic and static load ratings for your load profile - Check snap ring retention and cage type for easy install and service - Look at minimum lubrication needs and operating speed ranges

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