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Cages

Cages are used to position and keep the balls distanced from each other at the pitch circle diameter. We offer a variety of different cage architecture and material tailor for each customer application. Cages are constructed of brass, steel, or synthetic materials. Brass and steel cages are manufactured at WIB. We also manufacturing our own tooling and can adapt cage designs to meet the requirements of the application. For certain applications, ball bearings without cages or full complemented bearings are manufactured.

Brass cages (Y) or steel cages (J) are built in two parts and clamped at assembly. For specific applications (vibration) a machined brass cage (M) is used.

Synthetic cages are constructed of reinforced polymers. Synthetic cages offer unique advantages including low density (and weight), low friction, and damping properties for low torque and quiet running.

Full complement bearings (V) increase the load carrying capacity of the bearings but at the cost of maximum speed. The balls are inserted through a recess on the inner and outer ring.

Cage types and technical features

CAGE TYPE	MOUNTING MATERIAL	METHOD OF MANUFACTURE	ASSEMBLY	OTHER FEATURES
Y	Brass, 2-Parts	Stamping	Clamped	--
J	Steel, 2-Parts	Stamping	Clamped	--
TNH	Thermoplastic Polyamide PA 6.6, 1-Piece	Injection	Pressed	Max. temperature 80°C
T9H	Fiber Glass Reinforced (25%) Thermoplastic Polyamide PA 6.6, 1-Piece	Injection	Pressed	Operating temperature 120°C
TBH	Fiber Glass Reinforced Phenol Resin, 1-Piece	Machining	Pressed	High operating temperature, 140°C. Very high speeds
PEH	Fiber Glass Reinforced (20%) PEEK Thermoplastic, 1-Piece	Injection	Pressed	Very high operating temperature, 250°C
TSH	Fiber Glass Reinforced (15%) Thermoplastic Polyamide PA 4.6, 1-Piece	Injection	Pressed	Standard version for self-aligning ball bearings. High operating temperature, 120°C
M	Machined Brass	Machining	Pressed	Used in specific applications
V	Full Complement, Without Cage	--	--	Supports high loads, but at a reduced maximum speed

Cages

Cage types and technical features

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