Timken Super Precision Bearings for Machine Tool Applications

Ball Bearings
DEEP-GROOVE (CONRAD) CONSTRUCTION
• Incorporates high shoulder on both inner and outer rings.
• Balls separated by two-piece and piloted cage.
2
FIXED
FLOATING
Suggested Shoulder Diameters Shaft Diameter Mounting Fits
Housing Bore
Housing Bore
Mounting Fits
Shaft
Housing
(Stationary)
(Stationary)
Mounting Fits
Max. Min. Max. Min. Max. Min. Loose Tight Max. Min. Tight Loose Max. Min. Loose Loose
mm/in. mm/in. mm/in. mm/in. mm/in. mm/in. mm/in. mm/in.
32.1 31.9 55.8 55.5 25.000 24.995 0.005 0.005 62.008 62.000 0.000 0.015 62.012 62.007 0.019 0.007
1.27 1.26 2.20 2.19 0.98430 0.98410 0.00020 0.00020 2.44120 2.44090 0.00000 0.00060 2.44140 2.44120 0.00080 0.00030
37.7 37.5 65.2 64.9 30.000 29.995 0.005 0.005 72.008 72.000 0.000 0.015 72.011 72.007 0.019 0.007
1.49 1.48 2.57 2.56 1.18110 1.18090 0.00020 0.00020 2.83490 2.83460 0.00000 0.00060 2.83510 2.83490 0.00080 0.00030
43.7 43.2 72.1 71.6 35.000 34.995 0.005 0.006 80.008 80.000 0.000 0.015 80.012 80.008 0.020 0.008
1.72 1.70 2.84 2.82 1.37800 1.37780 0.00020 0.00025 3.14990 3.14960 0.00000 0.00060 3.15010 3.14990 0.00080 0.00030
49.8 49.3 81.3 80.8 40.000 39.995 0.005 0.006 90.008 90.000 0.000 0.016 90.015 90.007 0.023 0.007
1.96 1.94 3.20 3.18 1.57480 1.57460 0.00020 0.00025 3.54360 3.54330 0.00000 0.00060 3.54390 3.54360 0.00090 0.00030
55.9 55.4 90.2 89.7 45.000 44.995 0.005 0.006 100.008 100.000 0.000 0.016 100.018 100.010 0.025 0.010
2.20 2.18 3.55 3.53 1.77170 1.77150 0.00020 0.00025 3.93730 3.93700 0.00000 0.00060 3.93770 3.93740 0.00100 0.00040
61.2 60.7 99.8 99.3 50.000 49.995 0.005 0.006 110.008 110.000 0.000 0.016 110.018 110.010 0.025 0.010
2.41 2.39 3.93 3.91 1.96850 1.96830 0.00020 0.00025 4.33100 4.33070 0.00000 0.00060 4.33140 4.33110 0.00100 0.00040
67.3 66.8 108.7 108.2 55.000 54.995 0.005 0.007 120.008 120.000 0.000 0.016 120.018 120.010 0.025 0.010
2.65 2.63 4.28 4.26 2.16540 2.16520 0.00020 0.00030 4.72470 4.72440 0.00000 0.00060 4.72510 4.72480 0.00100 0.00040
43.2 72.6 117.9 117.3 60.000 59.995 0.005 0.007 130.009 130.000 0.000 0.018 130.020 130.010 0.029 0.010
2.88 2.86 4.64 4.62 2.36220 2.36200 0.00020 0.00030 5.11850 5.11810 0.00000 0.00070 5.11890 5.11850 0.00110 0.00040
80.3 79.8 126.8 126.2 65.000 64.995 0.005 0.007 140.009 140.000 0.000 0.018 140.020 140.010 0.029 0.010
3.16 3.14 4.99 4.97 2.55910 2.55890 0.00020 0.00030 5.51220 5.51180 0.00000 0.00070 5.51260 5.51220 0.00110 0.00040
85.3 84.8 135.6 135.1 70.000 69.995 0.005 0.007 150.009 150.000 0.000 0.018 150.023 150.012 0.032 0.012
3.36 3.34 5.34 5.32 2.75590 2.75570 0.00020 0.00030 5.90590 5.90550 0.00000 0.00070 5.90640 5.90600 0.00120 0.00050
C
TIMKEN MACHINE TOOL CATALOG 199