Ball Bearing Housed Unit Page A-61 Ball Bearing Housed Units-Wide-Inner-Ring Ball Bearings

BALL BEARING HOUSED UNITS TIMKEN BALL BEARING HOUSED UNIT CATALOG Download 3D Models and 2D Drawings at cad.timken.com A-61 Bearing No. Collar No. Basic Outer- Ring Size Shaft Dia. O.D. Ring Widths Brg. and Collar Wt. Static Load Rating Extended Dynamic Load Rating A Type (2) B Type Inner Outer d D B C S G F L d 1 B 2 B 1 C o C E in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. mm in. kg lbs. N lbs. N lbs. SMN200K SMN200KB SN200K 311 2 120 4.7244 55.56 2 3 /16 29 1.1417 27.78 1 3 /32 27.78 1 3 /32 75.01 2.953 4.80 3 /16 82.55 3 1 /4 22.20 7 /8 73.03 2 7 /8 2.413 5.32 43600 9800 80000 18000 SMN201K SMN201KB SN201K 2 1 /16 2.395 5.28 SMN202K SMN202KB SN202K 2 1 /8 2.331 5.14 SMN203K SMN203KB SN203K 2 3 /16 2.209 4.87 SMN204K SMN204KB SN204K 312W 2 1 /4 130 5.1181 61.91 2 7 /16 31 1.2205 31.00 1 7 /32 31.00 1 7 /32 81.53 3.210 6.40 1 /4 88.90 3 1 /2 23.81 15 /16 79.38 3 1 /8 3.084 6.80 51480 11700 89800 20400 SMN205K SMN205KB SN205K 2 5 /16 3.012 6.64 SMN206K SMN206KB SN206K 2 3 /8 2.908 6.41 SMN207K SMN207KB SN207K 2 7 /16 2.812 6.20 SMN211K SMN211KB SO211K 314 2 11 /16 150 5.9055 2.69 2 11 /16 35 1.3780 34.13 1 11 /32 34.13 1 11 /32 94.78 3.731 6.40 1 /4 101.60 4 26.99 1 /16 92.08 3 5 /8 4.205 9.27 66800 15000 116000 26000 SMN215K SMN215KB SN215K 315 2 15 /16 160 6.2992 74.61 2 15 /16 37 1.4567 37.31 1 15 /32 37.31 1 15 /32 100.38 3.952 6.40 1 /4 112.71 4 7 /16 31.75 1 /4 100.01 3 15 /16 5.856 12.91 75700 17000 125000 28500 SMN303K SMN303KB SN303K 316 3 3 /16 170 6.6929 80.96 3 /16 39 1.5354 40.48 1 19 /32 40.48 1 19 /32 106.91 4.209 6.40 1 /4 119.06 4 11 /16 31.75 1 /4 106.36 4 3 /16 6.704 14.78 86000 19300 137000 30500 SMN307K SMN307KB SN307K 318 3 7 /16 190 7.4803 87.31 3 7 /16 43 1.6929 43.66 1 23 /32 43.66 123 /32 120.12 4.729 7.94 5 /16 133.35 5 1 /4 36.51 1 7 /16 115.89 4 9 /16 9.984 22.01 106900 24000 156000 35500 SM0311W-BR (3) SM0311WB-BR (3) SO311K 319 3 11 /16 200 7.8740 93.66 3 11 /16 45 1.7717 38.89 1 17 /32 54.77 2 5 /32 126.67 4.987 7.94 5 /16 139.70 5 1 /2 36.51 1 7 /16 122.24 4 13 /16 11.090 24.45 173700 39000 224000 50000 SMN315K SMN315KB SN315K 320 3 15 /16 215 8.4646 100.01 3 15 /16 47 1.8504 50.00 1 31 /32 50.00 131 /32 134.77 5.306 7.94 5 /16 146.05 5 3 /4 36.51 1 7 /16 128.59 5 1 /16 13.068 28.81 140300 31500 193000 43000 SMN403W-BR (3) SMN403WB-BR SN403K 321 4 3 /16 225 8.8583 104.78 4 1 /8 49 1.9291 48.42 1 29 /32 56.36 2 7 /32 141.22 5.560 7.94 5 /16 157.16 6 3 /16 42.86 1 11 /16 139.70 5 1 /2 15.508 34.19 202700 45500 250000 56000 SMN407W-BR (3) SMN407WB-BR (3) SN407K 322 4 7 /16 240 9.4488 106.36 4 3 /16 50 1.9685 49.21 1 15 /16 57.15 2 1 /4 142.75 5.920 7.94 5 /16 165.10 6 1 /2 42.86 1 11 /16 141.29 5 9 /16 19.051 42.00 245000 55000 285100 64000 SMN415W-BR (3) SMN415WB-BR (3) SN415K 326 4 15 /16 280 11.0236 106.36 4 3 /16 59 2.3228 53.98 2 1 /8 61.91 2 7 /16 176.56 6.951 7.94 5 /16 206.38 8 1 /8 42.86 1 11 /16 150.81 5 15 /16 29.660 65.39 327400 73500 347400 78000 (1) See page A-159. (2) Order as MUOA assembly suggested. (3) For applications where thrust load exceeds 60 percent of radial load, consult your Timken engineer. NOTE: Bore tolerance: 5 /8 in. - 2 3 /16 in., nominal to +0.013 mm, +0.0005 in. 3 1 /4 in. - 4 3 /16 in., nominal to +0.018 mm, +0.0007 in. 4 7 /16 in. - 4 15 /16 in., nominal to +0.020 mm, +0.0008 in. Continued from previous page. D d F d 1 B 1 C B 2 B L S G C B 2 D d F B 1 d 1 S G B L Type B Type A

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