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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 93.43 26.70 110
    FRW0zz Shielded 0.0469" | 1.191 mm 0.1562" | 3.967 mm 0.0937" | 2.380 mm 93.43 26.70 110
    FRW1 Open 0.055" | 1.397 mm 0.1875" | 4.763 mm 0.0781" | 1.984 mm 195.76 53.39 90
    FRW1zz Shielded 0.055" | 1.397 mm 0.1875" | 4.763 mm 0.1094" | 2.779 mm 195.76 53.39 90
    FRW1-4 Open 0.0781" | 1.984 mm 0.25" | 6.350 mm 0.0937" | 2.380 mm 240.26 75.64 110
    FRW1-4zz Shielded 0.0781" | 1.984 mm 0.25" | 6.350 mm 0.1406" | 3.571 mm 240.26 75.64 110
    FRW133 Open 0.0937" | 2.380 mm 0.1875" | 4.763 mm 0.0625" | 1.588 mm 124.58 44.49 80
    FRW133zz Shielded 0.0937" | 2.380 mm 0.1875" | 4.763 mm 0.0937" | 2.380 mm 124.58 44.49 80
    FRW1-5 Open 0.0937" | 2.380 mm 0.3125" | 7.938 mm 0.1094" | 2.779 mm 471.62 142.37 110
    FRW1-5zz Shielded 0.0937" | 2.380 mm 0.3125" | 7.938 mm 0.1406" | 3.571 mm 471.62 142.37 110
    FRW144 Open 0.125" | 3.175 mm 0.25" | 6.350 mm 0.0937" | 2.380 mm 240.26 75.64 67
    FRW144zz Shielded 0.125" | 3.175 mm 0.25" | 6.350 mm 0.1094" | 2.779 mm 240.26 75.64 67
    FRW2-5 Open 0.125" | 3.175 mm 0.3125" | 7.938 mm 0.1094" | 2.779 mm 476.06 142.37 110
    FRW2-5zz Shielded 0.125" | 3.175 mm 0.3125" | 7.938 mm 0.1406" | 3.571 mm 476.06 142.37 110
    FRW2-6 Open 0.125" | 3.175 mm 0.375" | 9.525 mm 0.1094" | 2.779 mm 542.80 182.42 53
    FRW2-6zz Shielded 0.125" | 3.175 mm 0.375" | 9.525 mm 0.1406" | 3.571 mm 542.80 182.42 53
    FRW2 Open 0.125" | 3.175 mm 0.375" | 9.525 mm 0.1562" | 3.967 mm 538.35 173.52 110
    FRW2zz Shielded 0.125" | 3.175 mm 0.375" | 9.525 mm 0.1562" | 3.967 mm 538.35 173.52 110
    FRW155 Open 0.1562" | 3.967 mm 0.3125" | 7.938 mm 0.1094" | 2.779 mm 306.99 120.13 53
    FRW155zz Shielded 0.1562" | 3.967 mm 0.3125" | 7.938 mm 0.125" | 3.175 mm 306.99 120.13 53
    FRW156 Open 0.1875" | 4.763 mm 0.3125" | 7.938 mm 0.1094" | 2.779 mm 306.99 120.13 110
    FRW156zz Shielded 0.1875" | 4.763 mm 0.3125" | 7.938 mm 0.125" | 3.175 mm 306.99 120.13 110
    FRW166 Open 0.1875" | 4.763 mm 0.375" | 9.525 mm 0.125" | 3.175 mm 605.09 218.01 50
    FRW166zz Shielded 0.1875" | 4.763 mm 0.375" | 9.525 mm 0.125" | 3.175 mm 605.09 218.01 50
    FRW3 Open 0.1875" | 4.763 mm 0.5" | 12.700 mm 0.1562" | 3.967 mm 1107.85 391.53 110
    FRW3zz Shielded 0.1875" | 4.763 mm 0.5" | 12.700 mm 0.196" | 4.978 mm 1107.85 391.53 110
    FRW3 W19 Open 0.1875" | 4.763 mm 0.5" | 12.700 mm 0.2273" | 5.773 mm 1107.85 391.53 43
    FRW168 Open 0.25" | 6.350 mm 0.375" | 9.525 mm 0.125" | 3.175 mm 315.89 137.93 48
    FRW168zz Shielded 0.25" | 6.350 mm 0.375" | 9.525 mm 0.125" | 3.175 mm 315.89 137.93 48
    FRW188 Open 0.25" | 6.350 mm 0.5" | 12.700 mm 0.125" | 3.175 mm 1530.52 355.94 48
    FRW188zz Shielded 0.25" | 6.350 mm 0.5" | 12.700 mm 0.1875" | 4.763 mm 1530.52 355.94 48
    FRW4 Open 0.25" | 6.350 mm 0.625" | 15.875 mm 0.196" | 4.978 mm 1259.12 498.31 110
    FRW4zz Shielded 0.25" | 6.350 mm 0.625" | 15.875 mm 0.196" | 4.978 mm 1259.12 498.31 110
    FRW1810zz Shielded 0.3125" | 7.938 mm 0.5" | 12.700 mm 0.1562" | 3.967 mm 462.72 222.46 40

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