55TAC120C Ball Screw Support Bearings
Dimensions: Bore (Inner) Diameter: 55 mm； Outer Diameter: 120 mm； Width (Thickness): 20 mm;

Product Attributes

Bearing Type	Ball
For Load Direction	Combined Radial and Thrust
Single Row/Double Row	Single
Seal Type	Open
Precision Rating	PN7C
Contact Angle	60 º
Part Number	55TAC120C
Arrangement	SU (universal arrangement single row)
Bore Dia (d)	55 mm
Bore Dia Tolerance	-0.007mm to 0
Outer Dia (D)	120 mm
Outer Dia Tolerance	-0.008mm to 0
Width (B)	20 mm
Width Tolerance	-0.15mm to 0
Ring Material	52100 Chrome steel
Ball Material	Ceramic Ball Si3N4
Cage Material	Polyamide
Basic Dynamic Load Rating Ca (Classification by Fa Load Row Number)	Single Row Load(kN)	70.5
	Double Row Load(kN)	115
	Triple Row Load(kN)	153
Limiting Axial load (Classification by Fa Load Row Number)	Single Row Load(kN)	123
	Double Row Load(kN)	246
	Triple Row Load(kN)	370
Max Speed (RPM)	2500
Preload	H (heavy preload)
Lubrication	Required
Shaft Mount Type	Press Fit
Temperature Range	-40 to 120 ºC
Weight (grams)	1230
RoHS	Compliant

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