Needle roller bearings with machined rings are made of carbon chromium bearing steel. SKF supplies these bearings with or without flanges on the outer ring, in a wide range of series and sizes. SKF also supplies them with or without an inner ring
Needle Roller Bearings with Machined Rings with an inner rings
ID OD Width Width Outer Ring RPM Limit Speed Model Variation 5 15 12 32,000 36,000 NKI 5/12 TN 5 15 16 32,000 36,000 NKI 5/16 TN 6 16 16 30,000 34,000 NKI 6/16 TN 6 17 10 28,000 32,000 NAO 6x17x10 TN 6 16 12 30,000 34,000 NKI 6/12 TN 7 17 12 28,000 32,000 NKI 7/12 TN 7 17 16 28,000 32,000 NKI 7/16 TN 9 19 16 26,000 30,000 NKI 9/16 9 19 12 26,000 30,000 NKI 9/12 9 22 12 26,000 30,000 NAO 9x22x12 TN 10 22 14 13 12,000 NA 4900.2RS 10 22 14 13 12,000 NA 4900 RS 10 22 13 24,000 28,000 NA 4900 10 22 20 24,000 28,000 NKI 10/20 10 22 16 24,000 28,000 NKI 10/16 12 24 16 22,000 26,000 NKI 12/16 12 24 20 22,000 26,000 NKI 12/20 12 24 14 13 11,000 NA 4901 RS 12 24 13 22,000 26,000 NA 4901 12 24 14 13 11,000 NA 4901.2RS 12 28 12 22,000 26,000 NAO 12x28x12 12 24 22 22,000 26,000 NA 6901 12 24 13 24,000 26,000 NAO 12x24x13 15 32 12 19,000 22,000 NAO 15x32x12 15 28 14 13 9,500 NA 4902.2RS 15 35 20 16,000 19,000 NKIS 15 15 28 13 19,000 22,000 NA 4902 15 28 23 19,000 22,000 NA 6902 15 27 20 20,000 24,000 NKI 15/20 15 28 13 20,000 22,000 NAO 15x28x13 15 28 14 13 9,500 NA 4902 RS 17 30 14 13 9,000 NA 4903 RS 17 29 20 19,000 22,000 NKI 17/20 17 29 16 19,000 22,000 NKI 17/16 17 37 20 15,000 17,000 NKIS 17 17 30 13 18,000 20,000 NA 4903 17 30 14 13 9,000 NA 4903.2RS 17 30 23 18,000 20,000 NA 6903 17 35 16 17,000 19,000 NAO 17x35x16 17 30 13 18,000 20,000 NAO 17x30x13 20 37 16 15,000 17,000 NAO 20x37x16 20 42 20 13,000 15,000 NKIS 20 20 37 18 17 7,500 NA 4904.2RS 20 35 17 16,000 18,000 NAO 20x35x17 20 32 16 16,000 19,000 NKI 20/16 20 32 20 16,000 19,000 NKI 20/20 20 37 17 15,000 17,000 NA 4904 20 37 18 17 7,500 NA 4904 RS 20 37 30 15,000 17,000 NA 6904 22 34 16 15,000 17,000 NKI 22/16 22 34 20 15,000 17,000 NKI 22/20 22 39 30 14,000 15,000 NA 69/22 22 39 17 14,000 15,000 NA 49/22 25 38 20 14,000 15,000 NKI 25/20 TN 25 47 22 12,000 13,000 NKIS 25 25 38 30 14,000 15,000 NKI 25/30 25 42 17 13,000 15,000 NA 4905 25 42 16 13,000 15,000 NAO 25x42x16 25 42 30 13,000 15,000 NA 6905 25 42 18 17 6,300 NA 4905 RS 25 42 18 17 6,300 NA 4905.2RS 25 42 32 13,000 15,000 NAO 25x42x32 25 40 17 13,000 15,000 NAO 25x40x17 28 42 20 12,000 14,000 NKI 28/20 TN 28 42 30 12,000 14,000 NKI 28/30 28 45 17 12,000 14,000 NA 49/28 28 45 30 12,000 14,000 NA 69/28 30 52 22 10,000 12,000 NKIS 30 30 47 18 17 5,600 NA 4906.2RS 30 47 18 17 5,600 NA 4906 RS 30 45 20 11,000 13,000 NKI 30/20 TN 30 47 17 11,000 13,000 NA 4906 30 47 16 11,000 13,000 NAO 30x47x16 30 47 18 11,000 13,000 NAO 30x47x18 30 47 30 11,000 13,000 NA 6906 30 45 17 12,000 13,000 NAO 30x45x17 30 45 30 11,000 13,000 NKI 30/30 TN 30 45 26 12,000 13,000 NAO 30x45x26 32 47 20 11,000 12,000 NKI 32/20 32 52 36 10,000 11,000 NA 69/32 32 52 20 10,000 11,000 NA 49/32 32 47 30 11,000 12,000 NKI 32/30 35 50 20 10,000 11,000 NKI 35/20 TN 35 50 17 10,000 12,000 NAO 35x50x17 35 58 22 9,000 10,000 NKIS 35 35 55 20 10,000 11,000 NAO 35x55x20 35 55 20 9,500 11,000 NA 4907 35 55 21 20 4,800 NA 4907 RS 35 55 36 9,500 11,000 NA 6907 35 50 30 10,000 11,000 NKI 35/30 35 55 21 20 4,800 NA 4907.2RS 38 53 30 9,500 11,000 NKI 38/30 38 53 20 9,500 11,000 NKI 38/20 40 55 17 9,000 10,000 NAO 40x55x17 40 62 23 22 4,000 NA 4908 RS 40 55 20 9,000 10,000 NKI 40/20 TN 40 62 23 22 4,000 NA 4908.2RS 40 62 22 8,000 9,500 NA 4908 40 55 30 9,000 10,000 NKI 40/30 TN 40 62 40 8,000 9,500 NA 6908 40 65 22 8,000 9,000 NKIS 40 42 57 20 8,500 10,000 NKI 42/20 42 57 30 8,500 10,000 NKI 42/30 45 68 23 22 3,800 NA 4909.2RS 45 68 22 22 3,800 NA 4909 RS 45 68 22 7,500 8,500 NA 4909 45 62 35 8,000 9,000 NKI 45/35 TN 45 68 40 7,500 8,500 NA 6909 45 62 25 8,000 9,000 NKI 45/25 TN 45 72 22 7,000 8,000 NKIS 45 50 72 23 22 3,400 NA 4910.2RS 50 68 20 7,500 8,500 NAO 50x68x20 50 68 25 7,500 8,500 NKI 50/25 50 72 22 7,000 8,000 NA 4910 50 68 35 7,500 8,500 NKI 50/35 50 72 40 7,000 8,000 NA 6910 50 72 23 22 3,400 NA 4910 RS 50 80 28 6,300 7,500 NKIS 50 55 72 35 6,700 7,500 NKI 55/35 55 72 25 6,700 7,500 NKI 55/25 TN 55 80 25 6,300 7,000 NA 4911 55 80 45 6,300 7,000 NA 6911 55 85 28 6,000 6,700 NKIS 55 60 85 25 6,000 6,700 NA 4912 60 85 45 6,000 6,700 NA 6912 60 90 28 5,600 6,300 NKIS 60 60 82 35 6,000 6,700 NKI 60/35 60 82 25 6,000 6,700 NKI 60/25 65 90 25 5,600 6,300 NA 4913 65 95 28 5,300 6,000 NKIS 65 65 90 35 5,600 6,300 NKI 65/35 65 90 45 5,600 6,300 NA 6913 65 90 25 5,600 6,300 NKI 65/25 70 95 35 5,000 5,600 NKI 70/35 70 100 30 5,000 5,600 NA 4914 70 100 30 5,000 6,000 NAO 70x100x30 70 95 25 5,000 5,600 NKI 70/25 70 100 54 5,000 5,600 NA 6914 75 105 35 4,800 5,300 NKI 75/35 75 105 25 4,800 5,300 NKI 75/25 75 105 30 4,800 5,300 NA 4915 75 105 54 4,800 5,300 NA 6915 80 110 30 4,500 5,000 NA 4916 80 110 30 4,500 5,300 NAO 80x110x30 80 110 54 4,500 5,000 NA 6916 80 110 35 4,500 5,000 NKI 80/35 80 110 25 4,500 5,000 NKI 80/25 85 120 35 4,000 4,500 NA 4917 85 115 36 4,300 4,800 NKI 85/36 85 120 63 4,000 4,500 NA 6917 85 115 26 4,300 4,800 NKI 85/26 90 120 26 4,000 4,500 NKI 90/26 90 120 36 4,000 4,500 NKI 90/36 90 125 35 3,800 4,300 NA 4918 90 125 63 3,800 4,300 NA 6918 90 120 30 4,000 4,800 NAO 90x120x30 95 125 36 3,800 4,300 NKI 95/36 95 130 35 3,600 4,000 NA 4919 95 125 26 3,800 4,300 NKI 95/26 95 130 63 3,600 4,000 NA 6919 100 130 40 3,600 4,000 NKI 100/40 100 140 40 3,400 4,000 NA 4920 100 130 30 3,600 4,000 NKI 100/30 110 150 40 3,200 3,600 NA 4922 110 140 30 3,400 3,800 NA 4822 120 165 45 3,000 3,400 NA 4924 120 150 30 3,200 3,600 NA 4824 130 180 50 2,600 3,000 NA 4926 130 165 35 2,800 3,200 NA 4826 140 190 50 2,400 2,800 NA 4928 140 175 35 2,600 3,000 NA 4828 150 190 40 2,400 2,800 NA 4830 160 200 40 2,200 2,600 NA 4832 170 215 45 2,200 2,400 NA 4834 180 225 45 2,000 2,400 NA 4836 190 240 50 1,900 2,200 NA 4838 200 250 50 1,800 2,000 NA 4840 220 270 50 1,700 1,900 NA 4844 240 300 60 1,500 1,700 NA 4848 260 320 60 1,400 1,500 NA 4852 280 350 69 1,300 1,400 NA 4856 300 380 80 1,100 1,300 NA 4860 320 400 80 1,100 1,200 NA 4864 340 420 80 1,000 1,200 NA 4868 360 440 80 950 1,100 NA 4872 380 480 100 900 1,000 NA 4876 0