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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 # 6904ZZ
Item # 6904ZZ, 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.
Unit of Measure
Imperial
Metric
Both
Specifications
|
Ball Complement
Specifications
Bearing Type
N/A
Extra Thin Metric Bearing
Bore Diameter (d)
N/A
20 mm
0.7874 in
Outer Diameter (D)
N/A
37 mm
1.4567 in
Flange Diameter (D
f
)
N/A
40.0 mm
1.5748 in
Min. Radius (r
s
)
N/A
0.30 mm
0.0118 in
Width (B)
N/A
9.0 mm
0.3543 in
Flange Width (B
f
)
N/A
2.0 mm
0.0787 in
Seal
N/A
2RS
2RU
Load Rating (Cr)
N/A
6380 N
Load Rating (Cor)
N/A
3680 N
Max. Speed (Grease) x 1000
N/A
19 rpm
Max. Speed (Oil) x 1000
N/A
22 rpm
Cage Type
N/A
Two-pieces steel rivet type (RJ)
Material
N/A
440 Stainless Steel
52100 Chrome Steel
Weight
N/A
35.1 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
11 pcs
Size (Dw)
N/A
4.762 mm
0.1875 in