Fafnir® Miniature Ball Bearings (S..K) On The Timken Company

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Analyze Bearing Performance in an Application with Timken^® Syber^® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

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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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d - Bore (in)

D - Outer Diameter (in)

D - Outer Diameter (mm)

Bearing Width (in)

Bearing Width (mm)

Ce - Dynamic Radial Rating (lbf)

Ce - Dynamic Radial Rating (N)

Limiting Speed (Grease) (rpm)

Limiting Speed (Oil) (rpm)

Part Number	d - Bore	D - Outer Diameter	Bearing Width	C0 - Static Radial Rating	Ce - Dynamic Radial Rating	Limiting Speed (Grease)	Limiting Speed (Oil)	Ball Type	CAD

S1PP	N/A 1/4 in	N/A 0.750 in19.05 mm	N/A 0.2812 in7.14 mm	N/A 240 lbf1050 N	N/A 700 lbf3100 N	N/A 24385 rpm	N/A 28450 rpm	N/A STEEL	N/A
S3K	N/A 0.3750 in	N/A 0.875 in22.225 mm	N/A 0.219 in5.56 mm	N/A 320 lbf1423 N	N/A 830 lbf3692 N	N/A 16900 rpm	N/A 19700 rpm	N/A STEEL	N/A
S5K	N/A 1/2 in	N/A 1.125 in28.575 mm	N/A 0.25 in6.35 mm	N/A 540 lbf2402 N	N/A 1280 lbf5694 N	N/A 13100 rpm	N/A 15300 rpm	N/A STEEL	N/A
S5P	N/A 1/2 in	N/A 1.125 in28.58 mm	N/A 0.25 in6.35 mm	N/A 540 lbf2390 N	N/A 1270 lbf5670 N	N/A 14537 rpm	N/A 16959 rpm	N/A STEEL	N/A
S7K	N/A 5/8 in	N/A 1.375 in34.93 mm	N/A 0.344 in8.73 mm	N/A 750 lbf3320 N	N/A 1680 lbf7490 N	N/A 11818 rpm	N/A 13788 rpm	N/A STEEL	N/A
S7KD	N/A 5/8 in	N/A 1.375 in34.93 mm	N/A 0.344 in8.73 mm	N/A 750 lbf3320 N	N/A 1680 lbf7490 N	N/A 11818 rpm	N/A 13788 rpm	N/A STEEL	N/A
S7KDD	N/A 5/8 in	N/A 1.375 in34.93 mm	N/A 0.344 in8.73 mm	N/A 750 lbf3320 N	N/A 1680 lbf7490 N	N/A 11818 rpm	N/A 13788 rpm	N/A STEEL	N/A
S7PP	N/A 5/8 in	N/A 1.375 in34.93 mm	N/A 0.344 in8.73 mm	N/A 750 lbf3320 N	N/A 1680 lbf7490 N	N/A 11818 rpm	N/A 13788 rpm	N/A STEEL	N/A
S8K	N/A 3/4 in	N/A 1.6250 in41.275 mm	N/A 0.3125 in7.938 mm	N/A 1120 lbf4982 N	N/A 2340 lbf10409 N	N/A 6770 rpm	N/A 7900 rpm	N/A STEEL	N/A
S8KD	N/A 3/4 in	N/A 1.6250 in41.28 mm	N/A 0.3125 in7.94 mm	N/A 1220 lbf5440 N	N/A 2550 lbf11300 N	N/A 9677 rpm	N/A 11290 rpm	N/A STEEL	N/A
S8KDD	N/A 3/4 in	N/A 1.6250 in41.28 mm	N/A 0.3125 in7.94 mm	N/A 1220 lbf5440 N	N/A 2550 lbf11300 N	N/A 9677 rpm	N/A 11290 rpm	N/A STEEL	N/A
S8PP	N/A 3/4 in	N/A 1.6250 in41.28 mm	N/A 0.4375 in11.11 mm	N/A 1220 lbf5440 N	N/A 2550 lbf11300 N	N/A 9677 rpm	N/A 11290 rpm	N/A STEEL	N/A
S9K	N/A 7/8 in	N/A 1.8750 in47.625 mm	N/A 0.375 in9.525 mm	N/A 1300 lbf5783 N	N/A 2510 lbf11165 N	N/A 8310 rpm	N/A 9700 rpm	N/A STEEL	N/A
S9KDD	N/A 7/8 in	N/A 1.8750 in47.63 mm	N/A 0.375 in9.53 mm	N/A 1780 lbf7930 N	N/A 3480 lbf15500 N	N/A 8357 rpm	N/A 9750 rpm	N/A STEEL	N/A
S9PP	N/A 7/8 in	N/A 1.8750 in47.63 mm	N/A 0.375 in9.53 mm	N/A 1780 lbf7930 N	N/A 3480 lbf15500 N	N/A 8357 rpm	N/A 9750 rpm	N/A STEEL	N/A
S10K	N/A 1 in	N/A 2 in50.8 mm	N/A 0.500 in12.7 mm	N/A 1340 lbf5961 N	N/A 2500 lbf11121 N	N/A 7830 rpm	N/A 9140 rpm	N/A STEEL	N/A
S10KDD	N/A 1 in	N/A 2 in50.8 mm	N/A 0.500 in12.7 mm	N/A 1830 lbf8140 N	N/A 3490 lbf15500 N	N/A 7832 rpm	N/A 9138 rpm	N/A STEEL	N/A
S10P	N/A 1 in	N/A 2 in50.8 mm	N/A 0.500 in12.7 mm	N/A 1830 lbf8140 N	N/A 3490 lbf15500 N	N/A 7832 rpm	N/A 9138 rpm	N/A STEEL	N/A
S11K	N/A 1 1/8 in	N/A 2.1250 in53.975 mm	N/A 0.375 in9.525 mm	N/A 1840 lbf8185 N	N/A 3300 lbf14679 N	N/A 7060 rpm	N/A 8240 rpm	N/A STEEL	N/A
S11PP	N/A 1 1/8 in	N/A 2.1250 in53.98 mm	N/A 0.500 in12.7 mm	N/A 1870 lbf8300 N	N/A 3300 lbf14700 N	N/A 6962 rpm	N/A 8123 rpm	N/A STEEL	N/A
S12K	N/A 1 1/4 in	N/A 2.2500 in57.150 mm	N/A 0.375 in9.525 mm	N/A 1880 lbf8363 N	N/A 3290 lbf14635 N	N/A 6960 rpm	N/A 8120 rpm	N/A STEEL	N/A

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