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.
FLANFED-METRIC-OPEN-CMYK
Dimensional Drawing
Unit of Measure
1 

Item #

Item Name

Bore Diameter (d)

Outer Diameter (D)

Flange Diameter (Df)

Flange Width (Bf)

Load Rating (Cr)

Max. Speed (Grease) x 1000

Max. Speed (Oil) x 1000

Quantity
FR0 N/A 0.0469 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.0469 in1.191 mm N/A 0.1562 in3.967 mm N/A 0.2030 in5.156 mm N/A 0.0130 in0.330 mm N/A 112 N N/A 105 rpm N/A 124 rpm
FR1 N/A 0.0550 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.0550 in1.397 mm N/A 0.1875 in4.762 mm N/A 0.2340 in5.944 mm N/A 0.0230 in0.584 mm N/A 232 N N/A 97 rpm N/A 115 rpm
FR1-4 N/A 0.0781 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.0781 in1.984 mm N/A 0.2500 in6.350 mm N/A 0.2960 in7.518 mm N/A 0.0230 in0.584 mm N/A 284 N N/A 77 rpm N/A 91 rpm
FR133 N/A 0.0937 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.0937 in2.380 mm N/A 0.1875 in4.762 mm N/A 0.2340 in5.944 mm N/A 0.0180 in0.457 mm N/A 189 N N/A 90 rpm N/A 106 rpm
FR1-5 N/A 0.0937 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.0937 in2.380 mm N/A 0.3125 in7.938 mm N/A 0.3590 in9.119 mm N/A 0.0230 in0.584 mm N/A 551 N N/A 72 rpm N/A 85 rpm
FR144J N/A 0.1250 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.1250 in3.175 mm N/A 0.2500 in6.350 mm N/A 0.2960 in7.518 mm N/A 0.0230 in0.584 mm N/A 310 N N/A 77 rpm N/A 91 rpm
FR144 N/A 0.1250 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.1250 in3.175 mm N/A 0.2500 in6.350 mm N/A 0.2960 in7.518 mm N/A 0.0230 in0.584 mm N/A 284 N N/A 77 rpm N/A 91 rpm
FR2-5 N/A 0.1250 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.1250 in3.175 mm N/A 0.3125 in7.938 mm N/A 0.3590 in9.119 mm N/A 0.0230 in0.584 mm N/A 559 N N/A 70 rpm N/A 82 rpm
FR2-6 N/A 0.1250 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.1250 in3.175 mm N/A 0.3750 in9.525 mm N/A 0.4220 in10.719 mm N/A 0.0230 in0.584 mm N/A 641 N N/A 63 rpm N/A 75 rpm
FR2 N/A 0.1250 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.1250 in3.175 mm N/A 0.3750 in9.525 mm N/A 0.4400 in11.176 mm N/A 0.0300 in0.762 mm N/A 633 N N/A 66 rpm N/A 78 rpm
FR155 N/A 0.1562 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.1562 in3.967 mm N/A 0.3125 in7.938 mm N/A 0.3590 in9.119 mm N/A 0.0230 in0.584 mm N/A 360 N N/A 64 rpm N/A 76 rpm
FR156 N/A 0.1875 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.1875 in4.762 mm N/A 0.3125 in7.938 mm N/A 0.3590 in9.119 mm N/A 0.0230 in0.584 mm N/A 360 N N/A 64 rpm N/A 76 rpm
FR166 N/A 0.1875 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.1875 in4.762 mm N/A 0.3750 in9.525 mm N/A 0.4220 in10.719 mm N/A 0.0230 in0.584 mm N/A 711 N N/A 59 rpm N/A 70 rpm
FR3 N/A 0.1875 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.1875 in4.762 mm N/A 0.5000 in12.700 mm N/A 0.5650 in14.351 mm N/A 0.0420 in1.067 mm N/A 1300 N N/A 51 rpm N/A 60 rpm
FR168 N/A 0.2500 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.2500 in6.350 mm N/A 0.3750 in9.525 mm N/A 0.4220 in10.719 mm N/A 0.0230 in0.584 mm N/A 373 N N/A 55 rpm N/A 65 rpm
FR188 N/A 0.2500 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.2500 in6.350 mm N/A 0.5000 in12.700 mm N/A 0.5470 in13.894 mm N/A 0.0230 in0.584 mm N/A 1080 N N/A 48 rpm N/A 56 rpm
FR4 N/A 0.2500 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.2500 in6.350 mm N/A 0.6250 in15.875 mm N/A 0.6900 in17.526 mm N/A 0.0420 in1.067 mm N/A 1480 N N/A 42 rpm N/A 50 rpm
FR1810 N/A 0.3125 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.3125 in7.938 mm N/A 0.5000 in12.700 mm N/A 0.5470 in13.894 mm N/A 0.0310 in0.787 mm N/A 541 N N/A 45 rpm N/A 53 rpm
FR6 N/A 0.3750 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.3750 in9.525 mm N/A 0.8750 in22.225 mm N/A 0.9690 in24.613 mm N/A 0.0620 in1.575 mm N/A 3330 N N/A 31 rpm N/A 37 rpm
FR8 N/A 0.5000 Inch (in) Bore Diameter (d) Flanged Open Inch Ball Bearing N/A 0.5000 in12.700 mm N/A 1.1250 in28.575 mm N/A 1.2252 in31.120 mm N/A 0.0620 in1.575 mm N/A 5110 N N/A 27 rpm N/A 32 rpm
Unit of Measure
1