71944 ACD/HCP4A - Super Precision Angular Contact Ball Bearings

model	71944 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	300 mm
Outer Diameter Tolerance	-0.013mm to 0
Width	38 mm
Width Tolerance	-0.24mm to 0
Inner ring shoulder diameter (largest side) (d1)	244.7 mm
Inner ring shoulder diameter (min side) (d2)	244.7 mm
Outer Ring Shoulder Diameter (Large Side) (D1)	275.3 mm
Chamfer size(r1 2)(min)	2.1 mm
Chamfer size(r3 4)(min)	1 mm
Distance from pressure point (a)	79.9 mm
Ferrule Material	51200 Chrome steel
Ball Material	Ceramics
Cage Material	Reinforced phenolic resin
Dynamic Radial Load	208 kN
Static Radial Load	285 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	25.4 mm
Number of balls	29
Weight	5.56 kg

Information