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.
INCH-SERIES-OPEN-TYPE-cmyk
Sketch Open Extended Inner Ring
Unit of Measure
Items INCH-SERIES-OPEN-TYPE-cmyk
RW0
0.0469 Inch (in) Bore Diameter (d) Open Extended Inner Ring Inch Ball Bearing 		INCH-SERIES-OPEN-TYPE-cmyk
RW1
0.0550 Inch (in) Bore Diameter (d) Open Extended Inner Ring Inch Ball Bearing 		INCH-SERIES-OPEN-TYPE-cmyk
RW1-4
0.0781 Inch (in) Bore Diameter (d) Open Extended Inner Ring Inch Ball Bearing 		INCH-SERIES-OPEN-TYPE-cmyk
RW133
0.0937 Inch (in) Bore Diameter (d) Open Extended Inner Ring Inch Ball Bearing 		INCH-SERIES-OPEN-TYPE-cmyk
RW1-5
0.0937 Inch (in) Bore Diameter (d) Open Extended Inner Ring Inch Ball Bearing
Bearing Type N/A Inch Bearing
Bore Diameter (d) N/A 0.0469 in1.191 mm N/A 0.0550 in1.397 mm N/A 0.0781 in1.984 mm N/A 0.0937 in2.380 mm N/A 0.0937 in2.380 mm
Outer Diameter (D) N/A 0.1562 in3.967 mm N/A 0.1875 in4.762 mm N/A 0.2500 in6.350 mm N/A 0.1875 in4.762 mm N/A 0.3125 in7.938 mm
Min. Radius (rs) N/A 0.0039 in0.10 mm N/A 0.0039 in0.10 mm N/A 0.0039 in0.10 mm N/A 0.0039 in0.10 mm N/A 0.0059 in0.15 mm
IR Width (Bi) N/A 0.0937 in2.380 mm N/A 0.1094 in2.779 mm N/A 0.1250 in3.175 mm N/A 0.0937 in2.380 mm N/A 0.1406 in3.571 mm
OR Width (Be) N/A 0.0625 in1.588 mm N/A 0.0781 in1.984 mm N/A 0.0937 in2.380 mm N/A 0.0625 in1.588 mm N/A 0.1094 in2.779 mm
Seal N/A
IR Width (B1i) N/A 0.1250 in3.175 mm N/A 0.1406 in3.571 mm N/A 0.1707 in4.336 mm N/A N/A 0.1719 in4.366 mm
OR Width (B1e) N/A 0.0937 in2.380 mm N/A 0.1094 in2.779 mm N/A 0.1406 in3.571 mm N/A N/A 0.1406 in3.571 mm
Load Rating (Cr) N/A 112 N N/A 232 N N/A 284 N N/A 189 N N/A 551 N
Load Rating (Cor) N/A 33 N N/A 66 N N/A 95 N N/A 60 N N/A 175 N
Max. Speed (Grease) x 10001 N/A 105 rpm N/A 97 rpm N/A 77 rpm N/A 90 rpm N/A 72 rpm
Max. Speed (Oil) x 10002 N/A 124 rpm N/A 115 rpm N/A 91 rpm N/A 106 rpm N/A 85 rpm
Cage Type N/A
One-piece steel crown type (W)
Qty Z N/A 7 pcs N/A 6 pcs N/A 7 pcs N/A 7 pcs N/A 6 pcs
Size (Dw) N/A 0.0236 in0.600 mm N/A 0.0394 in1.000 mm N/A 0.0394 in1.000 mm N/A 0.0315 in0.800 mm N/A 0.0625 in1.588 mm
Weight N/A 0.11 grams N/A 0.17 grams N/A 0.40 grams N/A 0.11 grams N/A 0.67 grams
Material N/A 440 Stainless Steel 52100 Chrome Steel
Notes N/A
  • 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.