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Metric C-type Thin Wall Deep Groove Ball Bearings

Metric C-type thin wall deep groove ball bearings are precision rolling bearings engineered for compact spaces and lightweight requirements. Adhering to metric dimensional standards, they are ideal for industrial automation, medical equipment, electronics manufacturing, and other sectors. Their symmetrical deep groove raceway design balances radial and bidirectional axial load capacities while leveraging ultra-thin ring technology to achieve significant weight reduction without compromising stiffness.

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	Type	Main dimensions			Rated load		Rated speed
					Dynamics	Static	Speed limit
Mail		d[mm]	D[mm]	B[mm]	C[kN]	C₀[kN]	[r/min]
	LKWEC075 2RS	7	8	16850	5820.0	JU075CP0	-
	LKWEC070 2RS	7	7	15780	5560.0	JU070CP0	-
	LKWEC065 2RS	6	7	14740	5330.0	JU065CP0	-
	LKWEC060 2RS	6	6	13650	5070.0	JU060CP0	-
	LKWEC055 2RS	5	6	12580	4800.0	JU055CP0	-
	LKWEC050 2RS	5	5	11510	4490.0	JU050CP0	-
	LKWEC047 2RS	4	5	10940	4360.0	JU047CP0	-
	LKWEC045 2RS	4	5	10400	4220.0	JU045CP0	-
	LKWEC042 2RS	4	5	9870	4090.0	JU042CP0	-
	LKWEC040 2RS	4	4	9340	3910.0	JU040CP0	-
	LKWEC120 2RS	12	12	26450	7870.0	JU120CP0	/
	LKWEC110 2RS	11	11	24310	7420.0	JU110CP0	/
	LKWEC100 2RS	10	10	22180	6980.0	JU100CP0	/
	LKWEC090 2RS	9	9	20050	6530.0	JU090CP0	/
	LKWEC080 2RS	8	8	17910	6050.0	JU080CP0	/
	LKWEC075 2RS	7	8	16850	5820.0	JU075CP0	/
	LKWEC070 2RS	7	7	15780	5560.0	JU070CP0	/
	LKWEC065 2RS	6	7	14740	5330.0	JU065CP0	/
	LKWEC060 2RS	6	6	13650	5070.0	JU060CP0	/
	LKWEC055 2RS	5	6	12580	4800.0	JU055CP0	/

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Dentail

Core Technical Features

Ultra-thin Lightweight Design
- Rings with 0.5-1.0mm wall thickness (diameter ratio <0.025) reduce weight by 40%-60% compared to standard bearings.
- Materials: Vacuum-degassed bearing steel (SUJ2) or stainless steel (AISI 440C) with HRC58-62 hardness, enhancing fatigue life by 30%.
Deep Groove Ball Advantages
- Symmetrical raceways optimize contact stress distribution, handling radial loads primarily with secondary bidirectional axial capacity.
- Special ball-filling ports allow more balls (e.g., 5/32", 1/4") for increased radial load capacity.
Modular Sealing Solutions
- Available in open (-2RS), shielded (-Z), and sealed (-2RZ) configurations.
- IP65-rated seals effectively isolate dust and liquids, extending lubrication intervals.

Application

The bearings can be used in the following industries

Medical Equipment: Dental handpiece turbines, hemodialysis machine turntables, CT scanner rotation mechanisms.
Industrial Automation: Precision gearbox input shafts, robotic joint drives, automated conveyor guide wheels.
Electronics Manufacturing: HDD spindle motors, optical lens focusing systems, semiconductor wafer handling equipment.
Household Appliances: High-speed vacuum cleaner motors, inverter air conditioner fan bearings, smart lock transmission systems.