Ball Bearings Catalog Page D102 Super Precision Ball Bearings

A BALL BEARINGS D D102 TIMKEN PRODUCTS CATALOG 301WI 0.4724 1.4567 0.4724 8 x 9 /32 0.13 1,060 2450 47600 1040 2450 42800 (1.5) (2.5) (31) 950 2450 57100 920 2450 51400 302WI 0.5906 1.6535 0.5118 10 x 17 /64 0.19 1320 2700 38100 1270 2600 34300 (1.5) (2.5) (31) 1160 2700 45700 1120 2600 41200 303WI 0.6693 1.8504 0.5512 7 x 3 /8 0.23 1630 3900 36800 1600 3690 33100 (1.5) (2.5) (31) 1460 3900 44100 1420 3690 39700 304WI 0.7874 2.0472 0.5906 8 x 13 /32 0.30 2200 4840 32200 2160 4700 29000 (2) (3) (47) 2000 4840 38600 1930 4700 34800 305WI 0.9843 2.4409 0.6693 9 x 15 /32 0.49 3450 6850 26200 3350 6630 23600 (2) (3) (47) 3060 6850 31400 2970 6630 28300 306WI 1.1811 2.8346 0.748 10 x 17 /32 0.72 4990 9270 22100 4820 8960 19900 (2) (3) (47) 4440 9270 26500 4290 8960 23900 307WI 1.378 3.1496 0.8268 10 x 9 /16 0.98 5700 10400 19200 5600 10000 17300 (2.5) (3) (47) 5130 10400 23000 4940 10000 20800 308WI 1.5748 3.5433 0.9055 11 x 5 /8 1.34 7800 13400 16900 7600 12900 15200 (2.5) (3) (47) 7010 13400 20300 6770 12900 18200 309WI 1.7717 3.937 0.9843 10 x 11 /16 1.78 8650 15000 15100 8500 14400 13600 (2.5) (3) (47) 7750 15000 18100 7480 14400 16300 310WI 1.9685 4.3307 1.063 10 x 3 /4 2.31 10400 17500 13600 10000 16900 12200 (2.5) (3) (47) 9250 17500 16300 8940 16900 14600 311WI 2.1654 4.7244 1.1417 10 x 13 /16 2.94 12200 20300 12400 11800 19500 11200 (3) (3) (59) 10900 20300 14900 10500 19500 13400 312WI 2.3622 5.1181 1.2205 10 x 7 /8 3.67 14300 23200 11400 13700 22300 10300 (3) (3.5) (59) 12700 23200 13700 12200 22300 12400 313WI 2.5591 5.5118 1.2992 11 x 15 /16 4.63 18000 28000 10500 17300 26900 9500 (3) (3.5) (59) 16100 28000 12600 15500 26900 11400 314WI 2.7559 5.9055 1.378 11 x 1 5.62 20800 31500 9800 20000 30200 8800 (3) (3.5) (59) 18400 31500 11800 17700 30200 10600 319WI 3.7402 7.8740 1.7717 10 x 1 3/ 8 12.32 35100 46000 7400 33800 44200 6700 (3) (4) (79) 31200 46000 8900 30100 44200 8000 (2MM) LOAD RATINGS (3MM) LOAD RATINGS (steel ball & ceramic ball ) (steel ball & ceramic ball ) d D C Ball Qty. Wt. C o (stat) C e (dyn) Limiting C o (stat) C e (dyn) Limiting Bore O.D. Width (1) x Dia. Speed (Ng) Speed (Ng) INCH in/tol: +0; -.000(m) in. lbs. RPM lbs. RPM MEDIUM 2(3)MM300WI (ISO 03) SERIES DIMENSIONAL SERIES INCHES SUPER PRECISION MM: Running accuracy and performance meet ABEC 9 (ISO P2) levels. Non-critical features conform to ABEC 7 (ISO P4) requirements. WI CONSTRUCTION: Incorporates low shoulder on non-thrust side of outer rings. Maximum complement of balls separated by one-piece cage piloted against a ground thrust shoulder land of the outer ring. (Ng) For a single, grease lubricated, spring preloaded bearing. This value to be used in permissible Operating Speed (Sp) calculation. (1) Width tolerance of preloaded bearing set +0/-0.25 mm (+0/-0.010"). (2) ABMA STD 20 (r as max). C D a d a d r Bearing Number 2MM or 3MM

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