10Pcs Dental Bearings High Speed Ceramic Balls For WH KAVO NSK Sirona Dental turbine General Purpose Bearings

Thrust features: (F) The outer ring has a thrust flange; When the width of the outer ring is 2.38mm, the width of the thrust flange is 0.6mm; When the outer ring width is 2.78mm, the thrust flange width is 0.8mm; When the outer circle of the outer ring is grooved (G), the thrust flange width is 0.45mm.

Basic model: R144 - basic type of bearing (English) inner diameter: 3.175mmx6.35mmx2.38mm
Angular contact structure: (K1) an inner ring separable type; (K2) an outer ring separable type; When the angular contact structure is adopted, the retainer is integral

Retainer material code: TA monopolyimide (yellow); TL-Polyimide (black); Ti-phenolic jacket

Outer ring shape code: (K) an outer ring with steps; (G) an outer ring with a groove

Dustproof structure code: (Z) one side of the outer ring with a dust-proof cover; (Z1) One outer ring with an integral dust cover on one side

Width code: (W) a width of the inner and outer rings are 2.78mm; (W02) a outer ring width of 2.38mm; The width of the inner ring is 2.78mm.
No code: the width of the inner and outer ferrules is 2.38mm.

Ball material code: (N) a use of (Si4N3) that is, (silicon nitride ceramic) no code: use (9Gr18M0) AISI: 440C