Ball Bearings Catalog Page D110 Super Precision Ball Bearings

A BALL BEARINGS D D110 TIMKEN PRODUCTS CATALOG BALL SCREW SUPPORT SERIES DIMENSIONAL SIZES - INCH SERIES Designed for maximum axial rigidity, low drag torque, and extreme control of lateral eccentricity. Manufactured to ABEC 9 axial tolerances. Nonseparable angular-contact type design (60 contact angle). Manufactured to ABEC 7 radial and envelope tolerances. Maximum complement of balls. Supplied prelubricated with heavy-duty grease NLGI #2. Packaged in DB arrangement [can be mounted in duplexed pairs and in multiplexed sets in either Back-to-Back (DB), Face-to-Face (DF) or Tandem (DT) arrangements]. INCHES DIMENSIONAL SIZES - BALL SCREW SUPPORT SERIES C [2xC] d D a d a r d D C Wt. (4) Ball Qty. r d a (Shaft) D a (Housing) Shaft Dia. Housing Dia. Bore O.D. Width (1) x Dia. Rad. (2) Max. Min. Max. Min. Max. Min. INCHES in/tol: +0; -.000(X) lbs. in. in. in. MM9306WI2H 0.7874 1.8504 0.625 0.28 12 x 5 /16 0.031 1.083 1.073 1.641 1.631 0.7872 0.787 1.8507 1.8504 (2) (2.5) (47) MM9308WI2H 0.9385 2.4409 0.625 0.56 17 x 5 /16 0.031 1.321 1.311 2.179 2.169 0.9383 0.9381 2.4412 2.4409 (2) (3) (47) MM9310WI2H 1.5000 2.8346 0.6250 0.62 18 x 11 /32 0.031 1.865 1.855 2.479 2.469 1.4997 1.4994 2.8349 2.8346 (2.5) (3) (47) MM9311WI3H 1.7510 3.0000 0.6250 0.63 20 x 11 /32 0.031 2.057 2.047 2.672 2.662 1.7507 1.7504 3.0003 3.0000 (2.5) (3) (47) MM9313WI5H 2.2500 3.5433 0.6250 0.80 24 x 11 /32 0.031 2.577 2.567 3.196 3.186 2.2497 2.2494 3.5436 3.5433 (3) (59) MM9316WI3H 3.0000 4.3307 0.6250 1.04 30 x 11 /32 0.031 3.380 3.370 4.000 3.990 2.9997 2.9994 4.3310 4.3307 (3) (59) MM9321WI3 4.0000 5.7087 0.8750 2.60 37 x 3 /8 0.039 4.418 4.408 5.301 5.291 3.9997 3.9994 5.7091 5.7087 (3) (3.5) (79) MM9326WI6H 5.0000 7.0866 0.8750 3.85 35 x 1 /2 0.039 5.669 5.659 6.611 6.601 4.9997 4.9994 7.0870 7.0866 (3) (4) (98) MWTRIC mm/tol:+0; -(mm) kg mm mm mm mm mm MM9306WI2H 20 47 15.88 0.13 12 x 7.9 0.8 27.508 27.254 41.681 41.427 19.995 19.990 47.008 47.000 (5) (6) (120) MM9308WI2H 23.8 62.0 15.88 0.25 17 x 7.9 0.8 33.553 33.299 55.347 55.093 23.833 23.828 62.006 61.999 (5) (7) (120) MM9310WI2H 38.1 72 15.88 0.28 18 x 8.7 0.8 47.371 47.117 62.967 62.713 38.092 38.085 72.006 71.999 (6) (7) (120) MM9311WI3H 44.5 76.2 15.88 0.29 20 x 8.7 0.8 52.248 51.994 67.869 67.615 44.468 44.460 76.208 76.200 (6) (7) (120) MM9313WI5H 57.2 90 15.88 0.36 24 x 8.7 0.8 65.456 65.202 81.178 80.924 57.142 57.135 90.007 90.000 (7) (7) (150) MM9316WI3H 76.2 110 15.88 0.47 30 x 8.7 0.8 85.852 85.598 101.600 101.346 76.192 76.185 110.007 110.000 (7) (7) (150) MM9321WI3 101.6 145 22.23 1.18 37 x 9.5 1 112.217 111.963 134.645 134.391 101.592 101.585 145.011 145.001 (7) (9) (200) MM9326WI6H 127 180 22.23 1.75 35 x 12.7 1 143.993 143.739 167.919 167.665 126.992 126.985 180.010 180.000 (7) (10) (250) (1) Width tolerance of preloaded bearing set +0/-0.25 mm (+0/-0.010"). (2) Refer to engineering section for width tolerance of preloaded ball screw support bearings. (3) ABMA Std. 20 (r as max). (4) Single bearing. Bearing Number

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