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 2 3 

Item #

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
F681 N/A 1.0 mm0.0394 in N/A 3.0 mm0.1181 in N/A 3.8 mm0.1496 in N/A 0.3 mm0.0118 in N/A 96 N N/A 117 rpm N/A 139 rpm
F691 N/A 1.0 mm0.0394 in N/A 4.0 mm0.1575 in N/A 5.0 mm0.1969 in N/A 0.5 mm0.0197 in N/A 141 N N/A 105 rpm N/A 124 rpm
MF41X N/A 1.2 mm0.0472 in N/A 4.0 mm0.1575 in N/A 4.8 mm0.1890 in N/A 0.4 mm0.0157 in N/A 112 N N/A 105 rpm N/A 124 rpm
F681X N/A 1.5 mm0.0591 in N/A 4.0 mm0.1575 in N/A 5.0 mm0.1969 in N/A 0.4 mm0.0157 in N/A 112 N N/A 105 rpm N/A 124 rpm
F691X N/A 1.5 mm0.0591 in N/A 5.0 mm0.1969 in N/A 6.5 mm0.2559 in N/A 0.6 mm0.0236 in N/A 238 N N/A 94 rpm N/A 111 rpm
F601X N/A 1.5 mm0.0591 in N/A 6.0 mm0.2362 in N/A 7.5 mm0.2953 in N/A 0.6 mm0.0236 in N/A 330 N N/A 75 rpm N/A 90 rpm
F682 N/A 1.5 mm0.0591 in N/A 5.0 mm0.1969 in N/A 6.1 mm0.2402 in N/A 0.5 mm0.0197 in N/A 169 N N/A 94 rpm N/A 111 rpm
MF52 N/A 1.5 mm0.0591 in N/A 5.0 mm0.1969 in N/A 6.2 mm0.2441 in N/A 0.6 mm0.0236 in N/A 169 N N/A 94 rpm N/A 111 rpm
F692 N/A 1.5 mm0.0591 in N/A 6.0 mm0.2362 in N/A 7.5 mm0.2953 in N/A 0.6 mm0.0236 in N/A 330 N N/A 86 rpm N/A 101 rpm
MF62 N/A 1.5 mm0.0591 in N/A 6.0 mm0.2362 in N/A 7.2 mm0.2835 in N/A 0.6 mm0.0236 in N/A 330 N N/A 86 rpm N/A 101 rpm
MF72 N/A 2.0 mm0.0787 in N/A 7.0 mm0.2756 in N/A 8.2 mm0.3228 in N/A 0.6 mm0.0236 in N/A 386 N N/A 63 rpm N/A 75 rpm
F602 N/A 2.0 mm0.0787 in N/A 7.0 mm0.2756 in N/A 8.5 mm0.3346 in N/A 0.7 mm0.0276 in N/A 386 N N/A 60 rpm N/A 71 rpm
F682X N/A 2.5 mm0.0984 in N/A 6.0 mm0.2362 in N/A 7.1 mm0.2795 in N/A 0.5 mm0.0197 in N/A 209 N N/A 81 rpm N/A 96 rpm
F692X N/A 2.5 mm0.0984 in N/A 7.0 mm0.2756 in N/A 8.5 mm0.3346 in N/A 0.7 mm0.0276 in N/A 386 N N/A 63 rpm N/A 75 rpm
MF82X N/A 2.5 mm0.0984 in N/A 8.0 mm0.3150 in N/A 9.2 mm0.3622 in N/A 0.6 mm0.0236 in N/A 558 N N/A 60 rpm N/A 67 rpm
F602X N/A 2.5 mm0.0984 in N/A 8.0 mm0.3150 in N/A 9.5 mm0.3740 in N/A 0.7 mm0.0276 in N/A 551 N N/A 72 rpm N/A 85 rpm
MF63 N/A 3.0 mm0.1181 in N/A 6.0 mm0.2362 in N/A 7.2 mm0.2835 in N/A 0.6 mm0.0236 in N/A 209 N N/A 81 rpm N/A 96 rpm
F683 N/A 3.0 mm0.1181 in N/A 7.0 mm0.2756 in N/A 8.1 mm0.3189 in N/A 0.5 mm0.0197 in N/A 311 N N/A 74 rpm N/A 88 rpm
F683 N/A 3.0 mm0.1181 in N/A 7.0 mm0.2756 in N/A 8.1 mm0.3189 in N/A 0.8 mm0.0315 in N/A 255 N N/A 71 rpm N/A 83 rpm
MF83 N/A 3.0 mm0.1181 in N/A 8.0 mm0.3150 in N/A 9.2 mm0.3622 in N/A 0.6 mm0.0236 in N/A 395 N N/A 67 rpm N/A 79 rpm
F693 N/A 3.0 mm0.1181 in N/A 8.0 mm0.3150 in N/A 9.5 mm0.3740 in N/A 0.7 mm0.0276 in N/A 559 N N/A 70 rpm N/A 82 rpm
MF93 N/A 3.0 mm0.1181 in N/A 9.0 mm0.3543 in N/A 10.2 mm0.4016 in N/A 0.6 mm0.0236 in N/A 572 N N/A 66 rpm N/A 78 rpm
F603 N/A 3.0 mm0.1181 in N/A 9.0 mm0.3543 in N/A 10.5 mm0.4134 in N/A 0.7 mm0.0276 in N/A 572 N N/A 66 rpm N/A 78 rpm
F623 N/A 3.0 mm0.1181 in N/A 10.0 mm0.3937 in N/A 11.5 mm0.4528 in N/A 1.0 mm0.0394 in N/A 633 N N/A 66 rpm N/A 78 rpm
MF74 N/A 4.0 mm0.1575 in N/A 7.0 mm0.2756 in N/A 8.2 mm0.3228 in N/A 0.6 mm0.0236 in N/A 312 N N/A 70 rpm N/A 82 rpm
Unit of Measure
1 2 3