Item # 608ZZ, 0.2756 Inch (in) Bore Diameter (d) Shielded Metric Ball Bearing On SPB USA

U.S.A.
SPB USA — 2257 Sarasota Center Blvd. Sarasota, FL 34240
Ph: 941.371.1655 Fx 941.371.1669 Email Us

JAPAN
Sapporo Precision, Inc. - Sapporo, Hokkaido
Kitanihon Seiki Co., Ltd. - Ashibetsu, Hokkaido

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All bearings are available in 52100 Chrome Steel or 440 Stainless Steel.
Bearings also available with single shield or seal : suffix Z, RS, RU or TS.

Unit of Measure

Specifications | Ball Complement

Specifications

Bearing Type	N/A Metric Bearing
Bore Diameter (d)	N/A 8.0 mm0.3150 in
Outer Diameter (D)	N/A 22 mm0.8661 in
Flange Diameter (D_f)	N/A 25.0 mm0.9843 in
Min. Radius (r_s)	N/A 0.30 mm0.0118 in
Width (B₁)	N/A 7.0 mm0.2756 in
Load Rating (Cr)	N/A 3300 N
Load Rating (Cor)	N/A 1370 N
Max. Speed (Grease) x 1000¹	N/A 33 rpm
Max. Speed (Oil) x 1000²	N/A 39 rpm
Cage Type	N/A One-piece nylon crown type (TW) Two-pieces steel ribbon type (J)
Weight	N/A 11.6 grams
Material	N/A 440 Stainless Steel 52100 Chrome Steel
Closure	N/A Pressed steel shield
Closure Option	N/A Contact rubber seal (2RS) Non-contact rubber seal (2RU) Teflon steel (TTS)

Ball Complement

Qty Z	N/A 7
Size (Dw)	N/A 3.969 mm0.1563 in

¹ Applicable only for open, single Z, ZZ, single RU and 2RU types in inner ring rotating conditions. Max. speeds for the contact rubber seal(s) types will be around 50-60 % of above values.
² Applicable only for open, single Z, ZZ, single RU and 2RU types in inner ring rotating conditions. Max. speeds for the contact rubber seal(s) types will be around 50-60 % of above values.