Description

Koyo, 3NC6221ZZ, Hybrid Ball Bearing, Cylindrical Bore, Series: EXSEV, 105 mm Bore, 190 mm OD, 1 Rows, 36 mm Width, Non-Contact Double Shielded Closure, 166 kN Dynamic/105 kN Static Load, Ceramic Bearing, 3300 rpm Grease Maximum, -30 to 120 deg C

Features:

• Available with steel shields (ZZ) and Polyrex XM Grease
• Ball guided brass cage (FY) available on larger sizes
• Bearing races made from premium high carbon, high chromium Japanese steel
• Used for applications that require an insulated bearing to prevent electric arcing, marginally lubricated and/or higher speed applications
• Koyo Invented the Ceramic Hybrid Bearing- 3NC (ceramic balls and steel races)
• Made with the highest quality ceramic balls

Applications:

High Speed Standing Machine Guide Roller, Motors and Generators

Standards/Approval:

• ABEC1 Class P0

Bearing Material	Ceramic
Bore Diameter	105 mm
Closure Type	Non-Contact Double Shielded
Load Capacity	166 kN Dynamic/105 kN Static
Maximum Speed	3300 rpm Grease
Number of Rows	1
Outside Diameter	190 mm
Series	EXSEV
Temperature Rating	-30 to 120 deg C
Type	Cylindrical Bore
Width	36 mm
Manufacturer	Koyo Corporation of U.S.A.

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