NACHI 21307EK,SPHERICAL ROLLER BEARINGS and SPHERICAL ROLLER THRUST BEARINGS 21307EK

  • NACHI 21307EK,SPHERICAL ROLLER BEARINGS and SPHERICAL ROLLER THRUST BEARINGS 21307EK
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NACHI 21307EK,SPHERICAL ROLLER BEARINGS and SPHERICAL ROLLER THRUST BEARINGS 21307EK Dimensions

Type Spherical Roller Bearings
items 21307EK
brand NACHI
Belong SPHERICAL ROLLER BEARINGS and SPHERICAL ROLLER THRUST BEARINGS
Boundary dimensions#d 35 mm
Boundary dimensions#D 80 mm
Boundary dimensions#B 21 mm
Boundary dimensions#r min 1.5 mm
Bearing No. #Cylindrical bore 21307E
Bearing No. #Tapered bore 21307EK
Basic dynamic load rating Cr 96000 N
Basic static load rating Cor 76000 N
Limiting speed.#Grease lubrication 7000 min-1
Limiting speed.#Oil lubrication 8500 min-1
Dimensions of lubrication holes and grooves.#Hole diameter do 3
Dimensions of lubrication holes and grooves.#Groove width A 5
Dimensions of lubrication holes and grooves.#Hole count N 4
Abutment and fillet dimensions#da min 44 mm
Abutment and fillet dimensions#Da max 71 mm
Abutment and fillet dimensions#ra max 1.5 mm
Constante 0.27
Axial load factor#Y1 2.49
Axial load factor#Y2 3.71
Axial load factor#Y0 2.43
Mass#Cylindrical bore 0.57 kg
Bearing No.#Cylindrical bore 21307E
Bearing No.#Tapered bore 21307EK