71972 ACDMA/P4A - Super Precision Angular Contact Ball Bearings

model	71972 ACDMA/P4A
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	360 mm
Inner Diameter Tolerance	-0.016mm to 0
Outer Diameter	480 mm
Outer Diameter Tolerance	-0.02mm to 0
Width	56 mm
Width Tolerance	-0.3mm to 0
Inner ring shoulder diameter (largest side) (d1)	397 mm
Inner ring shoulder diameter (min side) (d2)	397 mm
Outer Ring Shoulder Diameter (Large Side) (D1)	443 mm
Chamfer size(r1 2)(min)	3 mm
Chamfer size(r3 4)(min)	1.1 mm
Distance from pressure point (a)	126.3 mm
Ferrule Material	51200 Chrome steel
Ball Material	51200 Chrome steel
Cage Material	Reinforced phenolic resin
Dynamic Radial Load	371 kN
Static Radial Load	670 kN
Max Speed(X1000 rpm)	3.2
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	30
Weight	26.7 kg

Information