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    • Miniature Flanged Extended BearingsPart Interchange

    Open

    Shielded

    Open bearings dissipate heat more efficiently than shielded and sealed bearings.

    Shielded bearings block out dust and other contaminants, but do not dissipate heat as efficiently as open bearings.

    Product
    Number    		 Seal
    Type    		 Bore Dia (d) Outer Dia (D) Width (B) Dynamic
    Load
    Rating
    (Cr) (N)    		 Static
    Load
    Rating
    (Cor) (N)    		 MAX
    SPEED
    (GREASE)
    (X1000
    RPM)
    FRW0 Open 0.0469" | 1.191 mm 0.1562" | 3.967 mm 0.0625" | 1.588 mm 21 6 110
    FRW0zz Shielded 0.0469" | 1.191 mm 0.1562" | 3.967 mm 0.0937" | 2.380 mm 21 6 110
    FRW1 Open 0.055" | 1.397 mm 0.1875" | 4.763 mm 0.0781" | 1.984 mm 44 12 90
    FRW1zz Shielded 0.055" | 1.397 mm 0.1875" | 4.763 mm 0.1094" | 2.779 mm 44 12 90
    FRW1-4 Open 0.0781" | 1.984 mm 0.25" | 6.350 mm 0.0937" | 2.380 mm 21 6 110
    FRW1-4zz Shielded 0.0781" | 1.984 mm 0.25" | 6.350 mm 0.1406" | 3.571 mm 21 6 110
    FRW133 Open 0.0937" | 2.380 mm 0.1875" | 4.763 mm 0.0625" | 1.588 mm 28 10 80
    FRW133zz Shielded 0.0937" | 2.380 mm 0.1875" | 4.763 mm 0.0937" | 2.380 mm 28 10 80
    FRW1-5 Open 0.0937" | 2.380 mm 0.3125" | 7.938 mm 0.1094" | 2.779 mm 21 6 110
    FRW1-5zz Shielded 0.0937" | 2.380 mm 0.3125" | 7.938 mm 0.1406" | 3.571 mm 21 6 110
    FRW144 Open 0.125" | 3.175 mm 0.25" | 6.350 mm 0.0937" | 2.380 mm 54 17 67
    FRW144zz Shielded 0.125" | 3.175 mm 0.25" | 6.350 mm 0.1094" | 2.779 mm 54 17 67
    FRW2-5 Open 0.125" | 3.175 mm 0.3125" | 7.938 mm 0.1094" | 2.779 mm 21 6 110
    FRW2-5zz Shielded 0.125" | 3.175 mm 0.3125" | 7.938 mm 0.1406" | 3.571 mm 21 6 110
    FRW2-6 Open 0.125" | 3.175 mm 0.375" | 9.525 mm 0.1094" | 2.779 mm 122 41 53
    FRW2-6zz Shielded 0.125" | 3.175 mm 0.375" | 9.525 mm 0.1406" | 3.571 mm 122 41 53
    FRW2 Open 0.125" | 3.175 mm 0.375" | 9.525 mm 0.1562" | 3.967 mm 21 6 110
    FRW2zz Shielded 0.125" | 3.175 mm 0.375" | 9.525 mm 0.1562" | 3.967 mm 21 6 110
    FRW155 Open 0.1562" | 3.967 mm 0.3125" | 7.938 mm 0.1094" | 2.779 mm 69 27 53
    FRW155zz Shielded 0.1562" | 3.967 mm 0.3125" | 7.938 mm 0.125" | 3.175 mm 69 27 53
    FRW156 Open 0.1875" | 4.763 mm 0.3125" | 7.938 mm 0.1094" | 2.779 mm 21 6 110
    FRW156zz Shielded 0.1875" | 4.763 mm 0.3125" | 7.938 mm 0.125" | 3.175 mm 21 6 110
    FRW166 Open 0.1875" | 4.763 mm 0.375" | 9.525 mm 0.125" | 3.175 mm 136 49 50
    FRW166zz Shielded 0.1875" | 4.763 mm 0.375" | 9.525 mm 0.125" | 3.175 mm 136 49 50
    FRW3 Open 0.1875" | 4.763 mm 0.5" | 12.700 mm 0.1562" | 3.967 mm 21 6 110
    FRW3zz Shielded 0.1875" | 4.763 mm 0.5" | 12.700 mm 0.196" | 4.978 mm 21 6 110
    FRW3 W19 Open 0.1875" | 4.763 mm 0.5" | 12.700 mm 0.2273" | 5.773 mm 249 88 43
    FRW168 Open 0.25" | 6.350 mm 0.375" | 9.525 mm 0.125" | 3.175 mm 71 31 48
    FRW168zz Shielded 0.25" | 6.350 mm 0.375" | 9.525 mm 0.125" | 3.175 mm 71 31 48
    FRW188 Open 0.25" | 6.350 mm 0.5" | 12.700 mm 0.125" | 3.175 mm 71 31 48
    FRW188zz Shielded 0.25" | 6.350 mm 0.5" | 12.700 mm 0.1875" | 4.763 mm 71 31 48
    FRW4 Open 0.25" | 6.350 mm 0.625" | 15.875 mm 0.196" | 4.978 mm 21 6 110
    FRW4zz Shielded 0.25" | 6.350 mm 0.625" | 15.875 mm 0.196" | 4.978 mm 21 6 110
    FRW1810zz Shielded 0.3125" | 7.938 mm 0.5" | 12.700 mm 0.1562" | 3.967 mm 104 50 40

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