7044 ACD/HCP4A - Super Precision Angular Contact Ball Bearings

model	7044 ACD/HCP4A
Metering system	Metric system
Bearing Type	Ball
Interior Design	High capacity
Contact angle	25°
Lubrication hole	None
Load Direction	Radial force and axial force
Structure	Single Column
Seal Type	Open
Inside Diameter	220 mm
Inner Diameter Tolerance	-0.012mm to 0
Outer Diameter	340 mm
Outer Diameter Tolerance	-0.015mm to 0
Width	56 mm
Width Tolerance	-0.3mm to 0
Inner ring shoulder diameter (largest side) (d1)	257 mm
Inner ring shoulder diameter (min side) (d2)	257 mm
Outer Ring Shoulder Diameter (Large Side) (D1)	303 mm
Chamfer size(r1 2)(min)	3 mm
Chamfer size(r3 4)(min)	1.5 mm
Distance from pressure point (a)	93.6 mm
Ferrule Material	51200 Chrome steel
Ball Material	Ceramics
Cage Material	Reinforced phenolic resin
Dynamic Radial Load	319 kN
Static Radial Load	440 kN
Max Speed(X1000 rpm)	6.7
Lubricant	Lubricant Added
Temperature Range	-30° to 110 °C
ABEC Standard	P4 (ABEC-7)
RoHS Standard	Conform
REACH Standard	Conform
Ball Diameter	38.1 mm
Number of balls	21
Weight	13.2 kg

Information