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.
LARGE-SIZE-STAIN-SHIELD-CMYK
Dimensional Drawing
Unit of Measure
1 2 3 

Item #

Bore Diameter (d)

Outer Diameter (D)

Width (B1)

Load Rating (Cr)

Max. Speed (Grease) x 1000

Max. Speed (Oil) x 1000

Quantity
MR41XZZ N/A 1.2 mm0.0472 in N/A 4.0 mm0.1575 in N/A 2.5 mm0.0984 in N/A 112 N N/A 105 rpm N/A 124 rpm
681XZZ N/A 1.5 mm0.0591 in N/A 4.0 mm0.1575 in N/A 2.0 mm0.0787 in N/A 112 N N/A 105 rpm N/A 124 rpm
691XZZ N/A 1.5 mm0.0591 in N/A 5.0 mm0.1969 in N/A 2.6 mm0.1024 in N/A 238 N N/A 94 rpm N/A 111 rpm
601XZZ N/A 1.5 mm0.0591 in N/A 6.0 mm0.2362 in N/A 3.0 mm0.1181 in N/A 330 N N/A 86 rpm N/A 101 rpm
672ZZ N/A 2.0 mm0.0787 in N/A 4.0 mm0.1575 in N/A 2.0 mm0.0787 in N/A 124 N N/A 98 rpm N/A 116 rpm
682ZZ N/A 2.0 mm0.0787 in N/A 5.0 mm0.1969 in N/A 2.3 mm0.0906 in N/A 169 N N/A 94 rpm N/A 111 rpm
MR52ZZ N/A 2.0 mm0.0787 in N/A 5.0 mm0.1969 in N/A 2.5 mm0.0984 in N/A 169 N N/A 94 rpm N/A 111 rpm
692ZZ N/A 2.0 mm0.0787 in N/A 6.0 mm0.2362 in N/A 3.0 mm0.1181 in N/A 330 N N/A 86 rpm N/A 101 rpm
MR62ZZ N/A 2.0 mm0.0787 in N/A 6.0 mm0.2362 in N/A 2.5 mm0.0984 in N/A 330 N N/A 86 rpm N/A 101 rpm
MR72ZZS N/A 2.0 mm0.0787 in N/A 7.0 mm0.2756 in N/A 3.0 mm0.1181 in N/A 386 N N/A 76 rpm N/A 90 rpm
602ZZS N/A 2.0 mm0.0787 in N/A 7.0 mm0.2756 in N/A 3.5 mm0.1378 in N/A 386 N N/A 76 rpm N/A 90 rpm
682XZZ N/A 2.5 mm0.0984 in N/A 6.0 mm0.2362 in N/A 2.6 mm0.1024 in N/A 209 N N/A 81 rpm N/A 96 rpm
692XZZS N/A 2.5 mm0.0984 in N/A 7.0 mm0.2756 in N/A 3.5 mm0.1378 in N/A 386 N N/A 76 rpm N/A 90 rpm
602XZZ N/A 2.5 mm0.0984 in N/A 8.0 mm0.3150 in N/A 4.0 mm0.1575 in N/A 551 N N/A 72 rpm N/A 85 rpm
MR63ZZ N/A 3.0 mm0.1181 in N/A 6.0 mm0.2362 in N/A 2.5 mm0.0984 in N/A 209 N N/A 81 rpm N/A 96 rpm
683ZZ N/A 3.0 mm0.1181 in N/A 7.0 mm0.2756 in N/A 3.0 mm0.1181 in N/A 311 N N/A 74 rpm N/A 88 rpm
MR83ZZ N/A 3.0 mm0.1181 in N/A 8.0 mm0.3150 in N/A 3.0 mm0.1181 in N/A 395 N N/A 67 rpm N/A 79 rpm
693ZZ N/A 3.0 mm0.1181 in N/A 8.0 mm0.3150 in N/A 4.0 mm0.1575 in N/A 559 N N/A 70 rpm N/A 82 rpm
MR93ZZ N/A 3.0 mm0.1181 in N/A 9.0 mm0.3543 in N/A 4.0 mm0.1575 in N/A 572 N N/A 66 rpm N/A 78 rpm
603ZZ N/A 3.0 mm0.1181 in N/A 9.0 mm0.3543 in N/A 5.0 mm0.1969 in N/A 572 N N/A 66 rpm N/A 78 rpm
623ZZ N/A 3.0 mm0.1181 in N/A 10.0 mm0.3937 in N/A 4.0 mm0.1575 in N/A 633 N N/A 66 rpm N/A 78 rpm
633ZZ N/A 3.0 mm0.1181 in N/A 13.0 mm0.5118 in N/A 5.0 mm0.1969 in N/A 1300 N N/A 51 rpm N/A 60 rpm
MR74ZZ N/A 4.0 mm0.1181 in N/A 7.0 mm0.2756 in N/A 2.5 mm0.0984 in N/A 255 N N/A 71 rpm N/A 83 rpm
MR84ZZ N/A 4.0 mm0.1575 in N/A 8.0 mm0.3150 in N/A 3.0 mm0.1181 in N/A 395 N N/A 67 rpm N/A 79 rpm
684ZZ N/A 4.0 mm0.1575 in N/A 9.0 mm0.3543 in N/A 4.0 mm0.1575 in N/A 641 N N/A 63 rpm N/A 75 rpm
Unit of Measure
1 2 3