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DEEP GROOVE BALL BEARINGS STANDARD 6000 SERIES STANDARD 6000 SERIES-continued Continued from Table 10. 02 ZZ 2RS 2RZ NR N Bearing No. Boundary Dimensions Load Ratings Reference Speed Features Bore 0.0. Width Radius Dynamic Static Grease Oil Weight Description Shields Contact Seals Non- Contact Seals 0.0. Snap Groove Ring P D B 02 fax C. C ww mm mm mm 6012 ZZ 6212 ZZ 6312 ZZ 6412 6013 ZZ 6213 ZZ 6313 ZZ 6413 - 6014 ZZ 6214 ZZ 6314 6015 ZZ 6215 ZZ 6315 ZZ 6016 ZZ 6216 ZZ 6316 6017 ZZ 6217 6317 ZZ 6018 6218 ZZ 6318 6019 6219 6319 6020 6220 6320 6021 6221 6321 6022 6222 6322 6024 6224 6026 6226 6028 6228 6030 6032 NNNNNN 22222222222222222222222222222222222 2RS 2RZ N 2RS 2AZ N 2RS 2AZ ZZZ NR 60 95 18 1.1 NR 60 110 22 N NR 60 130 31 - - - N NR 60 150 35 2RS 2RZ N NR 65 100 18 1.1 2RS 2RZ N NR 65 120 23 2RS 2RZ - - 2RS 2RZ 2AS 2RZ zzzz N NR 65 140 33 N NR 65 160 37 N NR 70 110 20 1.1 N NR 70 125 24 2RS 2RZ N NR 70 150 35 2RS 2RZ N NR 75 115 20 1.1 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2AZ ZZZZZZZZZZZzzz zz N NR 75 130 25 N NR 75 160 37 N NR 80 125 22 1.1 N NR 80 140 26 N NR 80 170 39 N NR 85 130 22 N NR 85 150 28 N NR 85 180 41 N NR 90 140 N NR 90 160 N NR 90 190 N NR 95 145 N NR 95 170 32 N NR 95 200 N NR 100 150 N NR 100 180 2RS 2AZ ZZ 2RS 2RZ N ZZ 2RS 2RZ 2RS 2RZ 2RS 2RZ ZZ 2RS 2AZ 2RS 2RZ ZZ 2RS 2RS 2RS ZZ 2RS 2RS ZZ 2RS ZZ 2RS 2RS 2 2 2 2 2 2 2 2 2RZ 2AZ 2RZ 2RZ 2RZ 2RZ 2RZ ZZZZZZZZZZZZ zz N NR 100 215 47 NR 105 160 N NR 105 190 ===== 24 30 43 24 45 24 34 26 36 N NR 105 225 49 N NR 110 170 28 N NR 110 200 38 N NR 110 240 50 N NR 120 180 28 N NR 120 215 40 N NR 130 200 33 N NR 130 230 40 N NR 140 210 33 N NR 140 250 42 N NR 150 225 35 2RZ - 160 240 38 13952=222222222=32=3222222222222222222222222 mm mm KN KN RPM RPM kg 101.6 2.46 29.40 23.20 7200 10000 0.390 116.6 2.46 47.70 32.90 6500 139.7 2.82 81.80 52.00 6300 9300 9100 1.700 0.780 159.7 282 109.00 70.10 6000 8600 2.730 106.5 2.46 129.7 2.82 149.7 2.82 169.7 2.82 30.50 24.80 6700 9700 57.20 40.00 6000 8600 92.60 59.70 6000 8600 118.00 78.60 5700 0.430 0.990 2.100 8200 3.300 116.6 2.46 38.10 30.40 6400 9300 0.570 134.7 2.82 60.80 44.00 5700 159.7 2.82 104.00 68.00 5700 121.6 2.46 39.50 33.20 2.0 139.7 2.82 169.7 282 134.7 2.82 149.7 2.82 182.9 3.10 66.10 48.20 1.200 113.40 76.90 5400 7800 3.000 47.50 39.70 5800 8400 0.820 71.50 53.00 5200 6000 5500 8300 1.100 8200 8700 0.600 2.500 8000 7500 1.400 122.90 86.50 5200 7500 3.600 1.1 2.0 3.0 159.7 192.9 20 3.0 3.0 3.0 20 3.0 20 3.0 20 139.7 2.82 49.50 42.80 5400 7900 0.850 2.82 83.20 61.90 5000 7200 1.800 3.10 132.70 96.50 5000 7200 4.250 149.7 2.82 58.00 49.60 5300 7600 1.120 169.7 2.82 96.00 71.50 4800 6900 2.150 202.9 3.10 142.60 107.20 4800 154.7 2.82 57.70 50.00 5000 182.9 3.10 108.70 81.70 4700 212.9 3.10 152.70 118.40 4600 159.7 2.82 60.10 54.20 4800 192.9 3.10 122.00 92.70 4500 227.8 3.10 173.20 140.90 4400 169.7 2.82 69.20 61.20 4700 6800 202.9 3.10 133.00 104.00 4400 6300 3.710 214.3 3.50 183.70 153.10 4200 6000 8.110 182.9 3.10 81.90 72.80 4600 6600 1.930 212.9 3.10 144.00 117.00 4300 6100 4.440 252.0 3.50 205.40 179.40 3900 5500 9.480 192.9 3.10 84.90 79.20 4200 6100 2.030 6900 4.900 7300 1.180 6700 2.600 6600 5.750 6900 1.250 6500 3.200 6200 6.980 1.600 2.0 3.0 2.0 3.0 242.0 222.8 262.0 237.0 3.50 3.10 3.50 3.50 227.8 3.10 155.30 131.10 4000 5700 5.160 212.9 3.10 105.00 96.80 4100 5900 3.150 166.80 146.30 3700 5200 5.850 110.00 108.60 3800 5500 3.500 - - 165.00 125.00 3500 125.00 126.00 3600 137.00 135.00 3500 5000 7.450 5200 4.900 5100 5.150 Most bearings in the 6000, 6200 and 6300 series up to 60 mm bore also can be made available in stainless steel (AISI 440C material). Timken stainless steel bearing numbers are designated using the "H" suffix (e.g. 6203H-2RS). 30 TIMKEN DEEP GROOVE BALL BEARING CATALOG Q.1 A propeller shaft C having a diameter of 75 mm is mounted on two bearings B1 and B2 and is driven by a 75 kW motor running at 1150 rev/min in a clockwise direction as shown in Figure Q.1. Gear 1 is the driving gear with 17 teeth, idler gear 2 has 23 teeth and the output gear 3 has 46 teeth. All gears are helical having a normal pressure angle of 20%, a helix angle of 300 and a normal module of 4.33 mm. i) Determine the forces on gear 3. ii) Determine the resultant loads at bearings B1 and B2. [16] [4] iii) Select suitable ball bearings for supporting shaft C at B1 and B2 using Datasheet Q.1 for a required bearing life of 24 hours per day for 1.5 years. PROPELLER SHAFT C ☑ B1 ☑ GEAR 1 A MOTOR GEAR 2 IDLER GEAR GEAR 3 75 mm dia. 80 mm 110 mm Figure Q.1 B2 22 [5]

DEEP GROOVE BALL BEARINGS STANDARD 6000 SERIES STANDARD 6000 SERIES-continued Continued from Table 10. 02 ZZ 2RS 2RZ NR N Bearing No. Boundary Dimensions Load Ratings Reference Speed Features Bore 0.0. Width Radius Dynamic Static Grease Oil Weight Description Shields Contact Seals Non- Contact Seals 0.0. Snap Groove Ring P D B 02 fax C. C ww mm mm mm 6012 ZZ 6212 ZZ 6312 ZZ 6412 6013 ZZ 6213 ZZ 6313 ZZ 6413 - 6014 ZZ 6214 ZZ 6314 6015 ZZ 6215 ZZ 6315 ZZ 6016 ZZ 6216 ZZ 6316 6017 ZZ 6217 6317 ZZ 6018 6218 ZZ 6318 6019 6219 6319 6020 6220 6320 6021 6221 6321 6022 6222 6322 6024 6224 6026 6226 6028 6228 6030 6032 NNNNNN 22222222222222222222222222222222222 2RS 2RZ N 2RS 2AZ N 2RS 2AZ ZZZ NR 60 95 18 1.1 NR 60 110 22 N NR 60 130 31 - - - N NR 60 150 35 2RS 2RZ N NR 65 100 18 1.1 2RS 2RZ N NR 65 120 23 2RS 2RZ - - 2RS 2RZ 2AS 2RZ zzzz N NR 65 140 33 N NR 65 160 37 N NR 70 110 20 1.1 N NR 70 125 24 2RS 2RZ N NR 70 150 35 2RS 2RZ N NR 75 115 20 1.1 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2AZ ZZZZZZZZZZZzzz zz N NR 75 130 25 N NR 75 160 37 N NR 80 125 22 1.1 N NR 80 140 26 N NR 80 170 39 N NR 85 130 22 N NR 85 150 28 N NR 85 180 41 N NR 90 140 N NR 90 160 N NR 90 190 N NR 95 145 N NR 95 170 32 N NR 95 200 N NR 100 150 N NR 100 180 2RS 2AZ ZZ 2RS 2RZ N ZZ 2RS 2RZ 2RS 2RZ 2RS 2RZ ZZ 2RS 2AZ 2RS 2RZ ZZ 2RS 2RS 2RS ZZ 2RS 2RS ZZ 2RS ZZ 2RS 2RS 2 2 2 2 2 2 2 2 2RZ 2AZ 2RZ 2RZ 2RZ 2RZ 2RZ ZZZZZZZZZZZZ zz N NR 100 215 47 NR 105 160 N NR 105 190 ===== 24 30 43 24 45 24 34 26 36 N NR 105 225 49 N NR 110 170 28 N NR 110 200 38 N NR 110 240 50 N NR 120 180 28 N NR 120 215 40 N NR 130 200 33 N NR 130 230 40 N NR 140 210 33 N NR 140 250 42 N NR 150 225 35 2RZ - 160 240 38 13952=222222222=32=3222222222222222222222222 mm mm KN KN RPM RPM kg 101.6 2.46 29.40 23.20 7200 10000 0.390 116.6 2.46 47.70 32.90 6500 139.7 2.82 81.80 52.00 6300 9300 9100 1.700 0.780 159.7 282 109.00 70.10 6000 8600 2.730 106.5 2.46 129.7 2.82 149.7 2.82 169.7 2.82 30.50 24.80 6700 9700 57.20 40.00 6000 8600 92.60 59.70 6000 8600 118.00 78.60 5700 0.430 0.990 2.100 8200 3.300 116.6 2.46 38.10 30.40 6400 9300 0.570 134.7 2.82 60.80 44.00 5700 159.7 2.82 104.00 68.00 5700 121.6 2.46 39.50 33.20 2.0 139.7 2.82 169.7 282 134.7 2.82 149.7 2.82 182.9 3.10 66.10 48.20 1.200 113.40 76.90 5400 7800 3.000 47.50 39.70 5800 8400 0.820 71.50 53.00 5200 6000 5500 8300 1.100 8200 8700 0.600 2.500 8000 7500 1.400 122.90 86.50 5200 7500 3.600 1.1 2.0 3.0 159.7 192.9 20 3.0 3.0 3.0 20 3.0 20 3.0 20 139.7 2.82 49.50 42.80 5400 7900 0.850 2.82 83.20 61.90 5000 7200 1.800 3.10 132.70 96.50 5000 7200 4.250 149.7 2.82 58.00 49.60 5300 7600 1.120 169.7 2.82 96.00 71.50 4800 6900 2.150 202.9 3.10 142.60 107.20 4800 154.7 2.82 57.70 50.00 5000 182.9 3.10 108.70 81.70 4700 212.9 3.10 152.70 118.40 4600 159.7 2.82 60.10 54.20 4800 192.9 3.10 122.00 92.70 4500 227.8 3.10 173.20 140.90 4400 169.7 2.82 69.20 61.20 4700 6800 202.9 3.10 133.00 104.00 4400 6300 3.710 214.3 3.50 183.70 153.10 4200 6000 8.110 182.9 3.10 81.90 72.80 4600 6600 1.930 212.9 3.10 144.00 117.00 4300 6100 4.440 252.0 3.50 205.40 179.40 3900 5500 9.480 192.9 3.10 84.90 79.20 4200 6100 2.030 6900 4.900 7300 1.180 6700 2.600 6600 5.750 6900 1.250 6500 3.200 6200 6.980 1.600 2.0 3.0 2.0 3.0 242.0 222.8 262.0 237.0 3.50 3.10 3.50 3.50 227.8 3.10 155.30 131.10 4000 5700 5.160 212.9 3.10 105.00 96.80 4100 5900 3.150 166.80 146.30 3700 5200 5.850 110.00 108.60 3800 5500 3.500 - - 165.00 125.00 3500 125.00 126.00 3600 137.00 135.00 3500 5000 7.450 5200 4.900 5100 5.150 Most bearings in the 6000, 6200 and 6300 series up to 60 mm bore also can be made available in stainless steel (AISI 440C material). Timken stainless steel bearing numbers are designated using the "H" suffix (e.g. 6203H-2RS). 30 TIMKEN DEEP GROOVE BALL BEARING CATALOG Q.1 A propeller shaft C having a diameter of 75 mm is mounted on two bearings B1 and B2 and is driven by a 75 kW motor running at 1150 rev/min in a clockwise direction as shown in Figure Q.1. Gear 1 is the driving gear with 17 teeth, idler gear 2 has 23 teeth and the output gear 3 has 46 teeth. All gears are helical having a normal pressure angle of 20%, a helix angle of 300 and a normal module of 4.33 mm. i) Determine the forces on gear 3. ii) Determine the resultant loads at bearings B1 and B2. [16] [4] iii) Select suitable ball bearings for supporting shaft C at B1 and B2 using Datasheet Q.1 for a required bearing life of 24 hours per day for 1.5 years. PROPELLER SHAFT C ☑ B1 ☑ GEAR 1 A MOTOR GEAR 2 IDLER GEAR GEAR 3 75 mm dia. 80 mm 110 mm Figure Q.1 B2 22 [5]

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question

Given answers to be: i) 14.65 kN; 6.16 kN; 8.46 kN ii) 8.63 kN; 9.88 kN iii) Bearing 6315 for B1 & B2, or Bearing 6215 for B1 

DEEP GROOVE BALL BEARINGS STANDARD 6000 SERIES STANDARD 6000 SERIES-continued Continued from Table 10. 02 ZZ 2RS 2RZ NR N Bearing No. Boundary Dimensions Load Ratings Reference Speed Features Bore 0.0. Width Radius Dynamic Static Grease Oil Weight Description Shields Contact Seals Non- Contact Seals 0.0. Snap Groove Ring P D B 02 fax C. C ww mm mm mm 6012 ZZ 6212 ZZ 6312 ZZ 6412 6013 ZZ 6213 ZZ 6313 ZZ 6413 - 6014 ZZ 6214 ZZ 6314 6015 ZZ 6215 ZZ 6315 ZZ 6016 ZZ 6216 ZZ 6316 6017 ZZ 6217 6317 ZZ 6018 6218 ZZ 6318 6019 6219 6319 6020 6220 6320 6021 6221 6321 6022 6222 6322 6024 6224 6026 6226 6028 6228 6030 6032 NNNNNN 22222222222222222222222222222222222 2RS 2RZ N 2RS 2AZ N 2RS 2AZ ZZZ NR 60 95 18 1.1 NR 60 110 22 N NR 60 130 31 - - - N NR 60 150 35 2RS 2RZ N NR 65 100 18 1.1 2RS 2RZ N NR 65 120 23 2RS 2RZ - - 2RS 2RZ 2AS 2RZ zzzz N NR 65 140 33 N NR 65 160 37 N NR 70 110 20 1.1 N NR 70 125 24 2RS 2RZ N NR 70 150 35 2RS 2RZ N NR 75 115 20 1.1 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2AZ ZZZZZZZZZZZzzz zz N NR 75 130 25 N NR 75 160 37 N NR 80 125 22 1.1 N NR 80 140 26 N NR 80 170 39 N NR 85 130 22 N NR 85 150 28 N NR 85 180 41 N NR 90 140 N NR 90 160 N NR 90 190 N NR 95 145 N NR 95 170 32 N NR 95 200 N NR 100 150 N NR 100 180 2RS 2AZ ZZ 2RS 2RZ N ZZ 2RS 2RZ 2RS 2RZ 2RS 2RZ ZZ 2RS 2AZ 2RS 2RZ ZZ 2RS 2RS 2RS ZZ 2RS 2RS ZZ 2RS ZZ 2RS 2RS 2 2 2 2 2 2 2 2 2RZ 2AZ 2RZ 2RZ 2RZ 2RZ 2RZ ZZZZZZZZZZZZ zz N NR 100 215 47 NR 105 160 N NR 105 190 ===== 24 30 43 24 45 24 34 26 36 N NR 105 225 49 N NR 110 170 28 N NR 110 200 38 N NR 110 240 50 N NR 120 180 28 N NR 120 215 40 N NR 130 200 33 N NR 130 230 40 N NR 140 210 33 N NR 140 250 42 N NR 150 225 35 2RZ - 160 240 38 13952=222222222=32=3222222222222222222222222 mm mm KN KN RPM RPM kg 101.6 2.46 29.40 23.20 7200 10000 0.390 116.6 2.46 47.70 32.90 6500 139.7 2.82 81.80 52.00 6300 9300 9100 1.700 0.780 159.7 282 109.00 70.10 6000 8600 2.730 106.5 2.46 129.7 2.82 149.7 2.82 169.7 2.82 30.50 24.80 6700 9700 57.20 40.00 6000 8600 92.60 59.70 6000 8600 118.00 78.60 5700 0.430 0.990 2.100 8200 3.300 116.6 2.46 38.10 30.40 6400 9300 0.570 134.7 2.82 60.80 44.00 5700 159.7 2.82 104.00 68.00 5700 121.6 2.46 39.50 33.20 2.0 139.7 2.82 169.7 282 134.7 2.82 149.7 2.82 182.9 3.10 66.10 48.20 1.200 113.40 76.90 5400 7800 3.000 47.50 39.70 5800 8400 0.820 71.50 53.00 5200 6000 5500 8300 1.100 8200 8700 0.600 2.500 8000 7500 1.400 122.90 86.50 5200 7500 3.600 1.1 2.0 3.0 159.7 192.9 20 3.0 3.0 3.0 20 3.0 20 3.0 20 139.7 2.82 49.50 42.80 5400 7900 0.850 2.82 83.20 61.90 5000 7200 1.800 3.10 132.70 96.50 5000 7200 4.250 149.7 2.82 58.00 49.60 5300 7600 1.120 169.7 2.82 96.00 71.50 4800 6900 2.150 202.9 3.10 142.60 107.20 4800 154.7 2.82 57.70 50.00 5000 182.9 3.10 108.70 81.70 4700 212.9 3.10 152.70 118.40 4600 159.7 2.82 60.10 54.20 4800 192.9 3.10 122.00 92.70 4500 227.8 3.10 173.20 140.90 4400 169.7 2.82 69.20 61.20 4700 6800 202.9 3.10 133.00 104.00 4400 6300 3.710 214.3 3.50 183.70 153.10 4200 6000 8.110 182.9 3.10 81.90 72.80 4600 6600 1.930 212.9 3.10 144.00 117.00 4300 6100 4.440 252.0 3.50 205.40 179.40 3900 5500 9.480 192.9 3.10 84.90 79.20 4200 6100 2.030 6900 4.900 7300 1.180 6700 2.600 6600 5.750 6900 1.250 6500 3.200 6200 6.980 1.600 2.0 3.0 2.0 3.0 242.0 222.8 262.0 237.0 3.50 3.10 3.50 3.50 227.8 3.10 155.30 131.10 4000 5700 5.160 212.9 3.10 105.00 96.80 4100 5900 3.150 166.80 146.30 3700 5200 5.850 110.00 108.60 3800 5500 3.500 - - 165.00 125.00 3500 125.00 126.00 3600 137.00 135.00 3500 5000 7.450 5200 4.900 5100 5.150 Most bearings in the 6000, 6200 and 6300 series up to 60 mm bore also can be made available in stainless steel (AISI 440C material). Timken stainless steel bearing numbers are designated using the "H" suffix (e.g. 6203H-2RS). 30 TIMKEN DEEP GROOVE BALL BEARING CATALOG
Transcribed Image Text:DEEP GROOVE BALL BEARINGS STANDARD 6000 SERIES STANDARD 6000 SERIES-continued Continued from Table 10. 02 ZZ 2RS 2RZ NR N Bearing No. Boundary Dimensions Load Ratings Reference Speed Features Bore 0.0. Width Radius Dynamic Static Grease Oil Weight Description Shields Contact Seals Non- Contact Seals 0.0. Snap Groove Ring P D B 02 fax C. C ww mm mm mm 6012 ZZ 6212 ZZ 6312 ZZ 6412 6013 ZZ 6213 ZZ 6313 ZZ 6413 - 6014 ZZ 6214 ZZ 6314 6015 ZZ 6215 ZZ 6315 ZZ 6016 ZZ 6216 ZZ 6316 6017 ZZ 6217 6317 ZZ 6018 6218 ZZ 6318 6019 6219 6319 6020 6220 6320 6021 6221 6321 6022 6222 6322 6024 6224 6026 6226 6028 6228 6030 6032 NNNNNN 22222222222222222222222222222222222 2RS 2RZ N 2RS 2AZ N 2RS 2AZ ZZZ NR 60 95 18 1.1 NR 60 110 22 N NR 60 130 31 - - - N NR 60 150 35 2RS 2RZ N NR 65 100 18 1.1 2RS 2RZ N NR 65 120 23 2RS 2RZ - - 2RS 2RZ 2AS 2RZ zzzz N NR 65 140 33 N NR 65 160 37 N NR 70 110 20 1.1 N NR 70 125 24 2RS 2RZ N NR 70 150 35 2RS 2RZ N NR 75 115 20 1.1 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2RZ 2RS 2AZ ZZZZZZZZZZZzzz zz N NR 75 130 25 N NR 75 160 37 N NR 80 125 22 1.1 N NR 80 140 26 N NR 80 170 39 N NR 85 130 22 N NR 85 150 28 N NR 85 180 41 N NR 90 140 N NR 90 160 N NR 90 190 N NR 95 145 N NR 95 170 32 N NR 95 200 N NR 100 150 N NR 100 180 2RS 2AZ ZZ 2RS 2RZ N ZZ 2RS 2RZ 2RS 2RZ 2RS 2RZ ZZ 2RS 2AZ 2RS 2RZ ZZ 2RS 2RS 2RS ZZ 2RS 2RS ZZ 2RS ZZ 2RS 2RS 2 2 2 2 2 2 2 2 2RZ 2AZ 2RZ 2RZ 2RZ 2RZ 2RZ ZZZZZZZZZZZZ zz N NR 100 215 47 NR 105 160 N NR 105 190 ===== 24 30 43 24 45 24 34 26 36 N NR 105 225 49 N NR 110 170 28 N NR 110 200 38 N NR 110 240 50 N NR 120 180 28 N NR 120 215 40 N NR 130 200 33 N NR 130 230 40 N NR 140 210 33 N NR 140 250 42 N NR 150 225 35 2RZ - 160 240 38 13952=222222222=32=3222222222222222222222222 mm mm KN KN RPM RPM kg 101.6 2.46 29.40 23.20 7200 10000 0.390 116.6 2.46 47.70 32.90 6500 139.7 2.82 81.80 52.00 6300 9300 9100 1.700 0.780 159.7 282 109.00 70.10 6000 8600 2.730 106.5 2.46 129.7 2.82 149.7 2.82 169.7 2.82 30.50 24.80 6700 9700 57.20 40.00 6000 8600 92.60 59.70 6000 8600 118.00 78.60 5700 0.430 0.990 2.100 8200 3.300 116.6 2.46 38.10 30.40 6400 9300 0.570 134.7 2.82 60.80 44.00 5700 159.7 2.82 104.00 68.00 5700 121.6 2.46 39.50 33.20 2.0 139.7 2.82 169.7 282 134.7 2.82 149.7 2.82 182.9 3.10 66.10 48.20 1.200 113.40 76.90 5400 7800 3.000 47.50 39.70 5800 8400 0.820 71.50 53.00 5200 6000 5500 8300 1.100 8200 8700 0.600 2.500 8000 7500 1.400 122.90 86.50 5200 7500 3.600 1.1 2.0 3.0 159.7 192.9 20 3.0 3.0 3.0 20 3.0 20 3.0 20 139.7 2.82 49.50 42.80 5400 7900 0.850 2.82 83.20 61.90 5000 7200 1.800 3.10 132.70 96.50 5000 7200 4.250 149.7 2.82 58.00 49.60 5300 7600 1.120 169.7 2.82 96.00 71.50 4800 6900 2.150 202.9 3.10 142.60 107.20 4800 154.7 2.82 57.70 50.00 5000 182.9 3.10 108.70 81.70 4700 212.9 3.10 152.70 118.40 4600 159.7 2.82 60.10 54.20 4800 192.9 3.10 122.00 92.70 4500 227.8 3.10 173.20 140.90 4400 169.7 2.82 69.20 61.20 4700 6800 202.9 3.10 133.00 104.00 4400 6300 3.710 214.3 3.50 183.70 153.10 4200 6000 8.110 182.9 3.10 81.90 72.80 4600 6600 1.930 212.9 3.10 144.00 117.00 4300 6100 4.440 252.0 3.50 205.40 179.40 3900 5500 9.480 192.9 3.10 84.90 79.20 4200 6100 2.030 6900 4.900 7300 1.180 6700 2.600 6600 5.750 6900 1.250 6500 3.200 6200 6.980 1.600 2.0 3.0 2.0 3.0 242.0 222.8 262.0 237.0 3.50 3.10 3.50 3.50 227.8 3.10 155.30 131.10 4000 5700 5.160 212.9 3.10 105.00 96.80 4100 5900 3.150 166.80 146.30 3700 5200 5.850 110.00 108.60 3800 5500 3.500 - - 165.00 125.00 3500 125.00 126.00 3600 137.00 135.00 3500 5000 7.450 5200 4.900 5100 5.150 Most bearings in the 6000, 6200 and 6300 series up to 60 mm bore also can be made available in stainless steel (AISI 440C material). Timken stainless steel bearing numbers are designated using the "H" suffix (e.g. 6203H-2RS). 30 TIMKEN DEEP GROOVE BALL BEARING CATALOG
Q.1 A propeller shaft C having a diameter of 75 mm is mounted on two bearings B1 and B2 and is driven by a 75 kW motor running at 1150 rev/min in a clockwise direction as shown in Figure Q.1. Gear 1 is the driving gear with 17 teeth, idler gear 2 has 23 teeth and the output gear 3 has 46 teeth. All gears are helical having a normal pressure angle of 20%, a helix angle of 300 and a normal module of 4.33 mm. i) Determine the forces on gear 3. ii) Determine the resultant loads at bearings B1 and B2. [16] [4] iii) Select suitable ball bearings for supporting shaft C at B1 and B2 using Datasheet Q.1 for a required bearing life of 24 hours per day for 1.5 years. PROPELLER SHAFT C ☑ B1 ☑ GEAR 1 A MOTOR GEAR 2 IDLER GEAR GEAR 3 75 mm dia. 80 mm 110 mm Figure Q.1 B2 22 [5]
Transcribed Image Text:Q.1 A propeller shaft C having a diameter of 75 mm is mounted on two bearings B1 and B2 and is driven by a 75 kW motor running at 1150 rev/min in a clockwise direction as shown in Figure Q.1. Gear 1 is the driving gear with 17 teeth, idler gear 2 has 23 teeth and the output gear 3 has 46 teeth. All gears are helical having a normal pressure angle of 20%, a helix angle of 300 and a normal module of 4.33 mm. i) Determine the forces on gear 3. ii) Determine the resultant loads at bearings B1 and B2. [16] [4] iii) Select suitable ball bearings for supporting shaft C at B1 and B2 using Datasheet Q.1 for a required bearing life of 24 hours per day for 1.5 years. PROPELLER SHAFT C ☑ B1 ☑ GEAR 1 A MOTOR GEAR 2 IDLER GEAR GEAR 3 75 mm dia. 80 mm 110 mm Figure Q.1 B2 22 [5]
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