Bearing Housing Adapter Sleeve With Lock Nut And Washer H219 For 85 mm Shaft Diameter, 90 mm Bore, M90x2 Thread, Includes KM19 Lock Nut And MB19 Washer, Compatible With 2219K 1319K 1219K And Other Spherical Roller Bearings

H219 Adapter Sleeve for Bearing Housing and Lock Nut
✔️ Shaft 85 mm, bore 90 mm, M90×2 thread, ~60 mm, single unit

This adapter sleeve lets a tapered bore bearing mount on a straight shaft by tightening the lock nut, which pulls the bearing onto the sleeve and locks it in place with the washer. It's designed to fit tapered bore bearings such as 2219K, 1319K, and 1219K on cylindrical shafts.

✅ H219 designation
✅ Shaft diameter d 85 mm
✅ Bore diameter d1 90 mm
✅ Thread G M90×2
✅ Sleeve width B1 ≈ 60 mm
✅ Lock Nut KM19 and Lock Washer MB19
✅ Compatible bearings 2219K, 1319K, 1219K
✅ Material carbon steel

💡 What is an adapter sleeve used for in bearing mounting? An adapter sleeve converts a straight shaft to accept tapered bore bearings by drawing the bearing onto the sleeve with a lock nut and washer.

Useful notes: - enables mounting tapered bore bearings on straight shafts - locks in place with KM19 lock nut and MB19 lock washer - common in machinery with pulleys, belts, and gear drives

Caratteristica	Specifiche
Denominazione del manicotto adattatore	H219
Diametro dell'albero adattod)	85 mm
Diametro del foro del manicotto (d1)	90 mm
Filetto (G)	M90 × 2
Width manicotto (B1)	~60 mm
Designazione del dado di bloccaggio	KM19
Designazione della rondella di sicurezza	MB19
Cuscinetti compatibili	2219K, 1319K, 1219K, ecc.
Materiale	Tipicamente acciaio al carbonio
Usato con	Cuscinetti ad alesaggio conico su alberi cilindrici