• Fafnir® Spindle Deep Grove Ball Bearings (9100K, 200K, 300K)
Radial ball bearings consist of an inner and outer ring with a cage containing a complement of precision balls. The standard Conrad-type bearing has a deep-groove construction capable of handling radial and axial loads from either direction in versatile designs that permit relatively high-speed operation.

In addition to standard single-row deep groove bearings, Timken offers special designs, including a maximum capacity series and an extra large (XLS) radial series bearing.

Size range: 3 mm - 600 mm (0.12 in. - 23.62 in.) bore
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Bore (d) (mm)

O.D. (D) (in)

O.D. (D) (mm)

Width (B) (in)

Width (B) (mm)

Dynamic Radial Load Rating - 1M Revs (C1) (lbf)

Dynamic Radial Load Rating - 1M Revs (C1) (N)

Limiting Speed - Oil (rpm)

Limiting Speed - Grease (rpm)

Part Number

Rows per Set

Bore (d)

O.D. (D)

Width (B)

Dynamic Radial Load Rating - 1M Revs (C1)

Static Radial Load Rating (C0)

Limiting Speed - Oil

Limiting Speed - Grease

CADPartID

MM9301K N/A Single N/A 12 mm N/A 0.945 in24 mm N/A 0.236 in6 mm N/A 830 lbf3700 N N/A 360 lbf1610 N N/A N/A 0 rpm N/A
MM9101K N/A Single N/A 12 mm N/A 1.102 in28 mm N/A 0.315 in8 mm N/A 1280 lbf5670 N N/A 540 lbf2400 N N/A 105600 rpm N/A 52800 rpm N/A
MMC9101K N/A Single N/A 12 mm N/A 1.102 in28 mm N/A 0.315 in8 mm N/A 1280 lbf5670 N N/A 480 lbf2130 N N/A 126800 rpm N/A 63400 rpm N/A
MM201K N/A Single N/A 12 mm N/A 1.260 in32 mm N/A 0.394 in10 mm N/A 1700 lbf7550 N N/A 680 lbf3000 N N/A 104400 rpm N/A 52200 rpm N/A
MMC201K N/A Single N/A 12 mm N/A 1.260 in32 mm N/A 0.394 in10 mm N/A 1700 lbf7550 N N/A 610 lbf2710 N N/A 125200 rpm N/A 62600 rpm N/A
MM9302K N/A Single N/A 15 mm N/A 1.102 in28 mm N/A 0.276 in7 mm N/A 890 lbf3950 N N/A 420 lbf1890 N N/A N/A 0 rpm N/A
MM202K N/A Single N/A 15 mm N/A 1.378 in35 mm N/A 0.433 in11 mm N/A 1900 lbf8450 N N/A 830 lbf3700 N N/A 88000 rpm N/A 44000 rpm N/A
MMC202K N/A Single N/A 15 mm N/A 1.378 in35 mm N/A 0.433 in11 mm N/A 1900 lbf8450 N N/A 740 lbf3290 N N/A 105600 rpm N/A 52800 rpm N/A
MM9103K N/A Single N/A 17 mm N/A 1.378 in35 mm N/A 0.394 in10 mm N/A 1500 lbf6660 N N/A 735 lbf3300 N N/A 79200 rpm N/A 39600 rpm N/A
MMC9103K N/A Single N/A 17 mm N/A 1.378 in35 mm N/A 0.394 in10 mm N/A 1500 lbf6660 N N/A 650 lbf2890 N N/A 95000 rpm N/A 47500 rpm N/A
MM203K N/A Single N/A 17 mm N/A 1.575 in40 mm N/A 0.472 in12 mm N/A 2380 lbf10600 N N/A 1060 lbf4700 N N/A 77000 rpm N/A 38500 rpm N/A
MMC203K N/A Single N/A 17 mm N/A 1.575 in40 mm N/A 0.472 in12 mm N/A 2380 lbf10600 N N/A 950 lbf4230 N N/A 92400 rpm N/A 46200 rpm N/A
MM9104K N/A Single N/A 20 mm N/A 1.654 in42 mm N/A 0.472 in12 mm N/A 2160 lbf9620 N N/A 1000 lbf4400 N N/A 68000 rpm N/A 34000 rpm N/A
MMC9104K N/A Single N/A 20 mm N/A 1.654 in42 mm N/A 0.472 in12 mm N/A 2160 lbf9620 N N/A 890 lbf3980 N N/A 81600 rpm N/A 40800 rpm N/A
MM204K N/A Single N/A 20 mm N/A 1.850 in47 mm N/A 0.551 in14 mm N/A 3190 lbf14200 N N/A 1460 lbf6500 N N/A 65600 rpm N/A 32800 rpm N/A
MMC204K N/A Single N/A 20 mm N/A 1.850 in47 mm N/A 0.551 in14 mm N/A 3190 lbf14200 N N/A 1320 lbf5860 N N/A 78800 rpm N/A 39400 rpm N/A
MM9305K N/A Single N/A 25 mm N/A 1.654 in42 mm N/A 0.354 in9 mm N/A 1750 lbf7790 N N/A 900 lbf4000 N N/A N/A 0 rpm N/A
MM9105K N/A Single N/A 25 mm N/A 1.850 in47 mm N/A 0.472 in12 mm N/A 2510 lbf11200 N N/A 1320 lbf5900 N N/A 56600 rpm N/A 28300 rpm N/A
MMC9105K N/A Single N/A 25 mm N/A 1.850 in47 mm N/A 0.472 in12 mm N/A 2510 lbf11200 N N/A 1170 lbf5210 N N/A 68000 rpm N/A 34000 rpm N/A
MM205K N/A Single N/A 25 mm N/A 2.047 in52 mm N/A 0.591 in15 mm N/A 3490 lbf15500 N N/A 1760 lbf7800 N N/A 54800 rpm N/A 27400 rpm N/A
MMC205K N/A Single N/A 25 mm N/A 2.047 in52 mm N/A 0.591 in15 mm N/A 3490 lbf15500 N N/A 1570 lbf6980 N N/A 65800 rpm N/A 32900 rpm N/A
MM305K N/A Single N/A 25 mm N/A 2.441 in62 mm N/A 0.669 in17 mm N/A 5890 lbf26200 N N/A 2730 lbf12100 N N/A 53000 rpm N/A 26500 rpm N/A
MMC305K N/A Single N/A 25 mm N/A 2.441 in62 mm N/A 0.669 in17 mm N/A 5890 lbf26200 N N/A 2430 lbf10800 N N/A 63600 rpm N/A 31800 rpm N/A
MM9306K N/A Single N/A 30 mm N/A 1.850 in47 mm N/A 0.354 in9 mm N/A 1810 lbf8050 N N/A 1130 lbf5020 N N/A N/A 0 rpm N/A
MM9106K N/A Single N/A 30 mm N/A 2.165 in55 mm N/A 0.512 in13 mm N/A 3300 lbf14700 N N/A 1860 lbf8300 N N/A 46600 rpm N/A 23300 rpm N/A
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