Item # ET2520ZZS, 0.7874 Inch (in) Bore Diameter (d) Extra Thin Shield Metric ET Series 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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Bearings also available with single shield or seal : suffix ZS or TS.

Unit of Measure

Specifications | Ball Complement | Notes

Specifications

Bearing Type	N/A Extra Thin ET Series Bearing
Bore Diameter (d)	N/A 20 mm0.7874 in
Outer Diameter (D)	N/A 25 mm0.9843 in
Width (B)	N/A 4.0 mm0.1575 in
Width (B₁)	N/A 4.0 mm0.1575 in
Min. Radius (r_s)	N/A 0.15 mm0.0059 in
Seal	N/A TTS
Load Rating (Cr)	N/A 1010 N
Load Rating (Cor)	N/A 691 N
Max. Speed (Grease) x 1000¹	N/A 8.5 rpm
Max. Speed (Oil) x 1000²	N/A 10 rpm
Cage Type	N/A One-piece steel crown type (W)
Weight	N/A 3.30 grams
Closure	N/A Steel shield with snap ring
Closure Option	N/A Teflon steel (TTS)

Ball Complement

Qty Z	N/A 17 pcs
Size (Dw)	N/A 1.588 mm0.0625 in

Notes

Notes

Open type bearings have shield/seal grooves.

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.