Ball Bearings Catalog Page D8 Radial Ball Bearings

D A BALL BEARINGS D8 TIMKEN PRODUCTS CATALOG D C d DIMENSIONS - TOLERANCES Bearing Number Bore Outside Width Fillet Wt. Static Extended d Diameter C Radius (1) Load Dynamic tolerance D tolerance Rating Load +0.000 mm CO Rating +0.000" +0.000 mm, -0.13 mm CE (2) to minus to minus +0.000, -0.005" standard stainless mm in. mm in. mm in. mm in. mm in. mm in. kg lbs. N lbs. N lbs. 33K3 A33K3 3.175 0.1250 0.008 0.0003 9.525 0.3750 0.010 0.0004 3.96 0.156 0.3 0.012 0.005 0.01 212 48 710 160 33K4 A33K4 3.175 0.1250 0.008 0.0003 12.700 0.5000 0.010 0.0004 4.37 0.172 0.3 0.012 0.005 0.01 490 110 1430 325 33K5 A33K5 4.762 0.1875 0.008 0.0003 12.700 0.5000 0.010 0.0004 3.96 0.156 0.3 0.012 0.005 0.01 490 110 1430 325 S1K7 AS1K7 6.350 0.2500 0.008 0.0003 15.875 0.6250 0.010 0.0004 4.98 0.196 0.3 0.012 0.005 0.01 560 125 1630 365 S1K AS1K 6.350 0.2500 0.008 0.0003 19.050 0.7500 0.010 0.0004 5.56 0.219 0.4 0.016 0.009 0.02 1160 260 3100 695 S3K AS3K 9.525 0.3750 0.008 0.0003 22.225 0.8750 0.010 0.0004 5.56 0.219 0.4 0.016 0.009 0.02 1400 312 3650 830 S5K AS5K 12.700 0.5000 0.008 0.0003 28.575 1.1250 0.010 0.0004 6.35 0.250 0.4 0.016 0.018 0.04 2240 500 5600 1270 S7K AS7K 15.875 0.6250 0.008 0.0003 34.925 1.3750 0.013 0.0005 7.14 0.281 0.8 0.031 0.032 0.07 3050 682 7500 1700 S8K - 19.050 0.7500 0.010 0.0004 41.275 1.6250 0.013 0.0005 7.92 0.312 0.8 0.031 0.050 0.11 4400 1000 10400 2320 S9K - 22.225 0.8750 0.010 0.0004 47.625 1.8750 0.013 0.0005 9.52 0.375 0.8 0.031 0.064 0.14 4900 1120 11000 2500 S10K - 25.400 1.0000 0.010 0.0004 50.800 2.0000 0.013 0.0005 9.52 0.375 0.8 0.031 0.082 0.18 4900 1120 11000 2500 S11K - 28.575 1.1250 0.010 0.0004 53.975 2.1250 0.013 0.0005 9.52 0.375 0.8 0.031 0.091 0.20 5400 1220 11800 2650 S12K - 31.750 1.2500 0.013 0.0005 57.150 2.2500 0.013 0.0005 9.52 0.375 0.8 0.031 0.100 0.22 6000 1340 12200 2750 (1) Maximum shaft or housing fillet radius that bearing corners will clear. (2) Based on 10 6 revolutions of calculated fatigue life. SHIELD AND SEAL COMBINATIONS One Two One Shield Two Two Seals Shield Shields And Seal Seals Wireloc D DD PD PP PPG Standard Stainless One Two Width One Shield Two Two Seals Width Shield Shields Shield Shields +0.00 mm, -.12 mm And Seal Seals (Wireloc) +0.00 mm, -.12 mm D DD D DD +0.000", -.005" PD PP PPG +0.000", -.005" mm in. mm in. 33KD3 33KDD3 A33KD3 A33KDD3 3.96 0.156 5 /32 - 33PP3 - 3.96 0.156 5 /32 33KD4 33KDD4 - - 4.37 0.172 11 /64 - 33KD5 33KDD5 A33KD5 A33KDD5 4.98 0.196 - 33PP5 33PPG5 4.98 0.196 - S1KD7 S1KDD7 AS1KD7 AS1KDD7 4.98 0.196 - S1PP7 S1PPG7 4.98 0.196 - S1KD S1KDD AS1KD AS1KDD 7.14 0.281 9 /32 - S1PP S1PPG 7.14 0.281 9 /32 S3KD S3KDD AS3KD AS3KDD 7.14 0.281 9 /32 - S3PP S3PPG 7.14 0.281 9 /32 S5KD S5KDD AS5KD AS5KDD 7.92 0.312 5 /16 S5PD S5PP S5PPG 7.92 0.312 5 /16 S7KD S7KDD - - 8.74 0.344 11 /32 - S7PP - 8.74 0.344 11 /32 S8KD S8KDD - AS8KDD 11.13 0.438 7 /16 S8PD S8PP - 11.13 0.438 7 /16 S9KD S9KDD - - 12.70 0.500 1 /2 - S10KD S10KDD - - 12.70 0.500 1 /2 - S10PP2 - 12.70 0.500 1 /2 - - - S12NPP - 12.70 0.500 - EXTRA SMALL 33 AND S INCH SERIES Designed for small shafts. Can sustain radial, thrust and combined loads, proportionate to capacities of small shafts. Suitable for use in fractional horsepower motors, domestic appliances, precision instruments and similar devices. Include combinations of shields and seals, as listed below. Electric motor quality for applications where quietness is required. Several sizes are manufactured both in standard bearing-quality steel and stainless steel, as indicated in the tables.

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