• 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

MM9110K N/A Single N/A 50 mm N/A 3.150 in80 mm N/A 0.63 in16 mm N/A 5440 lbf24200 N N/A 3750 lbf16700 N N/A 29800 rpm N/A 14900 rpm N/A
MMC9110K N/A Single N/A 50 mm N/A 3.150 in80 mm N/A 0.63 in16 mm N/A 5440 lbf24200 N N/A 3310 lbf14700 N N/A 35800 rpm N/A 17900 rpm N/A
MM210K N/A Single N/A 50 mm N/A 3.543 in90 mm N/A 0.787 in20 mm N/A 8740 lbf38900 N N/A 5200 lbf23100 N N/A 29200 rpm N/A 14600 rpm N/A
MMC210K N/A Single N/A 50 mm N/A 3.543 in90 mm N/A 0.787 in20 mm N/A 8740 lbf38900 N N/A 4640 lbf20600 N N/A 35000 rpm N/A 17500 rpm N/A
MM310K N/A Single N/A 50 mm N/A 4.331 in110 mm N/A 1.063 in27 mm N/A 15400 lbf68600 N N/A 8510 lbf37900 N N/A 27600 rpm N/A 13800 rpm N/A
MMC310K N/A Single N/A 50 mm N/A 4.331 in110 mm N/A 1.063 in27 mm N/A 15400 lbf68600 N N/A 7570 lbf33700 N N/A 33120 rpm N/A 16560 rpm N/A
MM9311K N/A Single N/A 55 mm N/A 3.150 in80 mm N/A 0.512 in13 mm N/A 4140 lbf18400 N N/A 3160 lbf14100 N N/A N/A 0 rpm N/A
MM9111K N/A Single N/A 55 mm N/A 3.543 in90 mm N/A 0.709 in18 mm N/A 7050 lbf31400 N N/A 4800 lbf21400 N N/A 27000 rpm N/A 13500 rpm N/A
MMC9111K N/A Single N/A 55 mm N/A 3.543 in90 mm N/A 0.709 in18 mm N/A 7050 lbf31400 N N/A 4250 lbf18900 N N/A 32400 rpm N/A 16200 rpm N/A
MM211K N/A Single N/A 55 mm N/A 3.937 in100 mm N/A 0.827 in21 mm N/A 10800 lbf48100 N N/A 6550 lbf29100 N N/A 26600 rpm N/A 13300 rpm N/A
MMC211K N/A Single N/A 55 mm N/A 3.937 in100 mm N/A 0.827 in21 mm N/A 10800 lbf48100 N N/A 5850 lbf26000 N N/A 32000 rpm N/A 16000 rpm N/A
MM311K N/A Single N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 17800 lbf79300 N N/A 10000 lbf44600 N N/A 25000 rpm N/A 12500 rpm N/A
MMC311K N/A Single N/A 55 mm N/A 4.724 in120 mm N/A 1.142 in29 mm N/A 17800 lbf79300 N N/A 8920 lbf39700 N N/A 30000 rpm N/A 15000 rpm N/A
MM9112K N/A Single N/A 60 mm N/A 3.740 in95 mm N/A 0.709 in18 mm N/A 7340 lbf32600 N N/A 5210 lbf23200 N N/A 25000 rpm N/A 12500 rpm N/A
MMC9112K N/A Single N/A 60 mm N/A 3.740 in95 mm N/A 0.709 in18 mm N/A 7340 lbf32600 N N/A 4630 lbf20600 N N/A 30000 rpm N/A 15000 rpm N/A
MM212K N/A Single N/A 60 mm N/A 4.331 in110 mm N/A 0.866 in22 mm N/A 13100 lbf58200 N N/A 8150 lbf36300 N N/A 24200 rpm N/A 12100 rpm N/A
MMC212K N/A Single N/A 60 mm N/A 4.331 in110 mm N/A 0.866 in22 mm N/A 13100 lbf58200 N N/A 7190 lbf32000 N N/A 29000 rpm N/A 14500 rpm N/A
MM312K N/A Single N/A 60 mm N/A 5.118 in130 mm N/A 1.221 in31 mm N/A 20400 lbf90700 N N/A 11700 lbf51800 N N/A 23000 rpm N/A 11500 rpm N/A
MMC312K N/A Single N/A 60 mm N/A 5.118 in130 mm N/A 1.221 in31 mm N/A 20400 lbf90700 N N/A 10400 lbf46100 N N/A 27600 rpm N/A 13800 rpm N/A
MM9113K N/A Single N/A 65 mm N/A 3.937 in100 mm N/A 0.709 in18 mm N/A 7610 lbf33900 N N/A 5650 lbf25200 N N/A 23200 rpm N/A 11600 rpm N/A
MMC9113K N/A Single N/A 65 mm N/A 3.937 in100 mm N/A 0.709 in18 mm N/A 7610 lbf33900 N N/A 5030 lbf22400 N N/A 27800 rpm N/A 13900 rpm N/A
MM213K N/A Single N/A 65 mm N/A 4.724 in120 mm N/A 0.906 in23 mm N/A 14300 lbf63400 N N/A 9000 lbf40000 N N/A 22200 rpm N/A 11100 rpm N/A
MMC213K N/A Single N/A 65 mm N/A 4.724 in120 mm N/A 0.906 in23 mm N/A 14300 lbf63400 N N/A 8000 lbf35600 N N/A 26600 rpm N/A 13300 rpm N/A
MM313K N/A Single N/A 65 mm N/A 5.512 in140 mm N/A 1.299 in33 mm N/A 23100 lbf102700 N N/A 13400 lbf59700 N N/A 21400 rpm N/A 10700 rpm N/A
MMC313K N/A Single N/A 65 mm N/A 5.512 in140 mm N/A 1.299 in33 mm N/A 23100 lbf102700 N N/A 11900 lbf53100 N N/A 25680 rpm N/A 12840 rpm N/A
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