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  • Fafnir® Extra Small Imperial Ball Bearings (S..K)
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) (in)

O.D. (D) (in)

O.D. (D) (mm)

Width (B) (in)

Width (B) (mm)

Bearing Type

Features

Material

Lubrication Type

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

Bore (d)

O.D. (D)

Width (B)

Bearing Type

Features

Material

Lubrication Type

Static Radial Load Rating (C0)

Dynamic Radial Load Rating - 1M Revs (C1)

Limiting Speed - Oil

Limiting Speed - Grease

CAD

S1PP N/A 1/4 in N/A 0.750 in19.05 mm N/A 0.2812 in7.14 mm N/A Miniature Ball Bearings N/A Two seals N/A 52100 N/A Standard Industrial Grease N/A 240 lbf1050 N N/A 700 lbf3100 N N/A 28450 rpm N/A 24385 rpm N/A CAD Icon (for items table)
S5K N/A 1/2 in N/A 1.125 in28.575 mm N/A 0.250 in6.35 mm N/A Miniature Ball Bearings N/A Open N/A 52100 N/A No Lubricant - Rust Preventative Only N/A 540 lbf2402 N N/A 1280 lbf5694 N N/A 15300 rpm N/A 13100 rpm N/A CAD Icon (for items table)
S5P N/A 1/2 in N/A 1.125 in28.58 mm N/A 0.250 in6.35 mm N/A Miniature Ball Bearings N/A One Seal N/A 52100 N/A No Lubricant - Rust Preventative Only N/A 540 lbf2390 N N/A 1270 lbf5670 N N/A 16959 rpm N/A 14537 rpm N/A CAD Icon (for items table)
S7K N/A 5/8 in N/A 1.375 in34.93 mm N/A 0.344 in8.73 mm N/A Miniature Ball Bearings N/A Open N/A 52100 N/A No Lubricant - Rust Preventative Only N/A 750 lbf3320 N N/A 1680 lbf7490 N N/A 13788 rpm N/A 11818 rpm N/A CAD Icon (for items table)
S7KD N/A 5/8 in N/A 1.375 in34.93 mm N/A 0.344 in8.73 mm N/A Miniature Ball Bearings N/A One shield N/A 52100 N/A No Lubricant - Rust Preventative Only N/A 750 lbf3320 N N/A 1680 lbf7490 N N/A 13788 rpm N/A 11818 rpm N/A CAD Icon (for items table)
S7KDD N/A 5/8 in N/A 1.375 in34.93 mm N/A 0.344 in8.73 mm N/A Miniature Ball Bearings N/A Two shields N/A 52100 N/A Standard Industrial Grease N/A 750 lbf3320 N N/A 1680 lbf7490 N N/A 13788 rpm N/A 11818 rpm N/A CAD Icon (for items table)
S7PP N/A 5/8 in N/A 1.375 in34.93 mm N/A 0.344 in8.73 mm N/A Miniature Ball Bearings N/A Two seals N/A 52100 N/A Standard Industrial Grease N/A 750 lbf3320 N N/A 1680 lbf7490 N N/A 13788 rpm N/A 11818 rpm N/A CAD Icon (for items table)
S8K N/A 3/4 in N/A 1.625 in41.275 mm N/A 0.3125 in7.938 mm N/A Miniature Ball Bearings N/A Open N/A 52100 N/A No Lubricant - Rust Preventative Only N/A 1120 lbf4982 N N/A 2340 lbf10409 N N/A 7900 rpm N/A 6770 rpm N/A CAD Icon (for items table)
S8KD N/A 3/4 in N/A 1.625 in41.28 mm N/A 0.313 in7.94 mm N/A Miniature Ball Bearings N/A One shield N/A 52100 N/A No Lubricant - Rust Preventative Only N/A 1220 lbf5440 N N/A 2550 lbf11300 N N/A 11290 rpm N/A 9677 rpm N/A CAD Icon (for items table)
S8KDD N/A 3/4 in N/A 1.625 in41.28 mm N/A 0.313 in7.94 mm N/A Miniature Ball Bearings N/A Two shields N/A 52100 N/A Standard Industrial Grease N/A 1220 lbf5440 N N/A 2550 lbf11300 N N/A 11290 rpm N/A 9677 rpm N/A CAD Icon (for items table)
S8PP N/A 3/4 in N/A 1.625 in41.28 mm N/A 0.4375 in11.11 mm N/A Miniature Ball Bearings N/A Two seals N/A 52100 N/A Standard Industrial Grease N/A 1220 lbf5440 N N/A 2550 lbf11300 N N/A 11290 rpm N/A 9677 rpm N/A CAD Icon (for items table)
S9KDD N/A 7/8 in N/A 1.625 in47.63 mm N/A 0.375 in9.53 mm N/A Miniature Ball Bearings N/A Two shields N/A 52100 N/A Standard Industrial Grease N/A 1780 lbf7930 N N/A 3480 lbf15500 N N/A 9750 rpm N/A 8357 rpm N/A CAD Icon (for items table)
S9PP N/A 7/8 in N/A 1.625 in47.63 mm N/A 0.375 in9.53 mm N/A Miniature Ball Bearings N/A Two seals N/A 52100 N/A Standard Industrial Grease N/A 1780 lbf7930 N N/A 3480 lbf15500 N N/A 9750 rpm N/A 8357 rpm N/A CAD Icon (for items table)
S9K N/A 7/8 in N/A 1.875 in47.625 mm N/A 0.375 in9.525 mm N/A Miniature Ball Bearings N/A Open N/A 52100 N/A No Lubricant - Rust Preventative Only N/A 1300 lbf5783 N N/A 2510 lbf11165 N N/A 9700 rpm N/A 8310 rpm N/A CAD Icon (for items table)
S10K N/A 1 in N/A 2.000 in50.8 mm N/A 0.500 in12.7 mm N/A Miniature Ball Bearings N/A Open N/A 52100 N/A No Lubricant - Rust Preventative Only N/A 1340 lbf5961 N N/A 2500 lbf11121 N N/A 9140 rpm N/A 7830 rpm N/A CAD Icon (for items table)
S10KDD N/A 1 in N/A 2.000 in50.8 mm N/A 0.500 in12.7 mm N/A Miniature Ball Bearings N/A Two shields N/A 52100 N/A Standard Industrial Grease N/A 1830 lbf8140 N N/A 3490 lbf15500 N N/A 9138 rpm N/A 7832 rpm N/A CAD Icon (for items table)
S10P N/A 1 in N/A 2.000 in50.8 mm N/A 0.500 in12.7 mm N/A Miniature Ball Bearings N/A One Seal N/A 52100 N/A No Lubricant - Rust Preventative Only N/A 1830 lbf8140 N N/A 3490 lbf15500 N N/A 9138 rpm N/A 7832 rpm N/A CAD Icon (for items table)
S11K N/A 1 1/8 in N/A 2.125 in53.975 mm N/A 0.375 in9.525 mm N/A Miniature Ball Bearings N/A Open N/A 52100 N/A No Lubricant - Rust Preventative Only N/A 1840 lbf8185 N N/A 3300 lbf14679 N N/A 8240 rpm N/A 7060 rpm N/A CAD Icon (for items table)
S11PP N/A 1 1/8 in N/A 2.125 in53.98 mm N/A 0.500 in12.7 mm N/A Miniature Ball Bearings N/A Two seals N/A 52100 N/A Standard Industrial Grease N/A 1870 lbf8300 N N/A 3300 lbf14700 N N/A 8123 rpm N/A 6962 rpm N/A CAD Icon (for items table)
S12K N/A 1 1/4 in N/A 2.25 in57.15 mm N/A 0.375 in9.525 mm N/A Miniature Ball Bearings N/A Open N/A 52100 N/A No Lubricant - Rust Preventative Only N/A 1880 lbf8363 N N/A 3290 lbf14635 N N/A 8120 rpm N/A 6960 rpm N/A CAD Icon (for items table)
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