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 #

Bore Diameter (d)

Outer Diameter (D)

Flange Diameter (Df)

Flange Width (Bf)

IR Width (B1i)

Load Rating (Cr)

Quantity
FRW0 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 3.175 mm0.1250 in N/A 112 N
FRW1 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 3.571 mm0.1406 in N/A 232 N
FRW1-4 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 4.336 mm0.1707 in N/A 284 N
FRW133 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 N/A 189 N
FRW1-5 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 4.366 mm0.1719 in N/A 551 N
FRW144 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 3.571 mm0.1406 in N/A 284 N
FRW2-5 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 4.366 mm0.1719 in N/A 559 N
FRW2-6 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 4.366 mm0.1719 in N/A 641 N
FRW2 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 4.762 mm0.1875 in N/A 633 N
FRW155 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 3.967 mm0.1562 in N/A 360 N
FRW156 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 3.967 mm0.1562 in N/A 360 N
FRW166 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 3.967 mm0.1562 in N/A 711 N
FRW3 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 N/A 1300 N
FRW168 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 3.967 mm0.1562 in N/A 373 N
FRW188 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 5.558 mm0.2188 in N/A 1080 N
FRW4 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 5.771 mm0.2272 in N/A 1480 N
FRW1810 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 4.762 mm0.1875 in N/A 541 N
Unit of Measure
1