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Sapporo Precision, Inc. - Sapporo, Hokkaido
Kitanihon Seiki Co., Ltd. - Ashibetsu, Hokkaido
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Extra Thin Metric Series Bearings
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Shielded Extra Thin Metric Ball Bearings
> Item # 63804ZZ
Item # 63804ZZ, 0.7874 Inch (in) Bore Diameter (d) Shielded Extra Thin Metric Ball Bearing
All bearings are available in 52100 Chrome Steel or 440 Stainless Steel.
Bearings also available with single shield or seal : suffix Z, RS, RU.
SUJ2 bearings use RJ type retainer, stainless bearings use J type retainer.
Unit of Measure
Imperial
Metric
Both
Specifications
|
Ball Complement
|
Notes
Specifications
Bearing Type
N/A
Extra Thin Metric Bearing
Bore Diameter (d)
N/A
20 mm
0.7874 in
Outer Diameter (D)
N/A
32 mm
1.2598 in
Min. Radius (r
s
)
N/A
0.30 mm
0.0118 in
Width (B)
N/A
10.0 mm
0.3937 in
Seal
N/A
2RS
2RU
Load Rating (Cr)
N/A
4020 N
Load Rating (Cor)
N/A
2460 N
Max. Speed (Grease) x 1000
N/A
21 rpm
Max. Speed (Oil) x 1000
N/A
25 rpm
Cage Type
N/A
Two-pieces steel ribbon type (J)
Two-pieces steel rivet type (RJ)
Material
N/A
440 Stainless Steel
52100 Chrome Steel
Weight
N/A
23.8 grams
Closure
N/A
Pressed steel shield
Closure Option
N/A
Contact rubber seal (2RS)
Non-contact rubber seal (2RU)
Ball Complement
Qty Z
N/A
13 pcs
Size (Dw)
N/A
3.500 mm
0.1378 in
Notes
Notes
N/A
Note for Cage Type: SUJ2 bearings use RJ type retainers, but stainless bearings use J type retainers.