Ball bearings WIB - Standard ball bearings - Variable parameters

STANDARD BEARINGS Variable Parameters Shields
	Shield Type	Special Features		Applications
	Z	Z	- Sheet Steel	● Low torque ● High speed ● High temperature
		ZH	- Sheet Steel with Lubrication Hole
		ZB	- Sheet steel, blackened
		ZC	- Sheet steel, black, with lubrication hole
		ZD	- Sheet steel, zinc coated
		ZM	- Brass sheet
		ZS	- INOX sheet
		ZP	- Plastics
	RSF	● Seal without contact ● Colour blue		● Low torque ● High speed ● Higher tightness than with a Z shield
	RSI	● Non-rubbing RSR seal (reduction of the inner ring		● Low torque ● High speed ● Higher tightness than with a Z shield
	RSR	● Seal ● Standard colour black		● Good tightness (Standard WIB, see bearing table)
	RSV	● VITON® seal ● Standard colour orange		● High temperature +230°C ● Good tightness
	RST	● Special seal with contact on a chamfer of the inner ring		● Good tightness
	RSL	● Special seal with contact in a groove of the inner ring		● Good tightness

	Shield Combinations		Designations
	Open		Void
	One Side		Z, RSR Same for RSF, RSI, RSV, RST, RSL and others
	Both Sides (Identical)		-2Z, -2RSR Same for RSF, RSI, RSV, RST, RSL and others
	Mixed		Z RSR, RSF RSR All other combinations if feasible
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