Dimension table · DIN 617 / ISO 1206
Solid needle roller bearings series NKI
All 53 sizes from d 10 to 140 mm bore: principal dimensions d × D × B, dynamic and static load ratings (C, C₀), limiting speed and mass — plus the executions and brands available from us (143 products).
| Designation | d (mm) | D (mm) | B (mm) | C (kN) | C₀ (kN) | n lim (rpm) | m (kg) | Executions | Offers |
|---|---|---|---|---|---|---|---|---|---|
| NKI10/16 | 10 | 22 | 16 | 10,2 | 12,5 | 28000 | 0,030 | Offen | 2 |
| NKI10/20 | 10 | 22 | 20 | 12,8 | 16,6 | 28000 | 0,037 | Offen | 2 |
| NKI12/16 | 12 | 24 | 16 | 11,7 | 15,3 | 26000 | 0,034 | Offen | 2 |
| NKI12/20 | 12 | 24 | 20 | 14,5 | 20,0 | 26000 | 0,042 | Offen | 2 |
| NKI15/16 | 15 | 27 | 16 | 13,4 | 19,0 | 24000 | 0,040 | Offen | 3 |
| NKI15/20 | 15 | 27 | 20 | 16,5 | 25,5 | 24000 | 0,049 | Offen | 2 |
| NKI17/16 | 17 | 29 | 16 | 13,8 | 20,4 | 22000 | 0,042 | Offen | 3 |
| NKI17/20 | 17 | 29 | 20 | 17,2 | 27,0 | 22000 | 0,053 | Offen | 4 |
| NKI20/16 | 20 | 32 | 16 | 15,4 | 24,5 | 19000 | 0,049 | Offen | 4 |
| NKI20/20 | 20 | 32 | 20 | 19,0 | 32,5 | 19000 | 0,061 | Offen | 5 |
| NKI22/16 | 22 | 34 | 16 | 15,7 | 26,0 | 17000 | 0,052 | Offen | 3 |
| NKI22/20 | 22 | 34 | 20 | 19,4 | 34,5 | 17000 | 0,066 | Offen | 3 |
| NKI25/20 | 25 | 38 | 20 | 22,0 | 36,5 | 15000 | 0,075 | Offen | 3 |
| NKI25/30 | 25 | 38 | 30 | 31,9 | 60,0 | 15000 | 0,120 | Offen | 3 |
| NKI28/20 | 28 | 42 | 20 | 23,3 | 40,5 | 14000 | 0,092 | Offen | 3 |
| NKI28/30 | 28 | 42 | 30 | 34,1 | 65,5 | 14000 | 0,154 | Offen | 2 |
| NKI30/20 | 30 | 45 | 20 | 24,6 | 45,0 | 13000 | 0,107 | Offen | 3 |
| NKI30/30 | 30 | 45 | 30 | 35,8 | 72,0 | 13000 | 0,163 | Offen | 4 |
| NKI32/20 | 32 | 47 | 20 | 25,1 | 46,5 | 12000 | 0,118 | Offen | 4 |
| NKI32/30 | 32 | 47 | 30 | 36,9 | 76,5 | 12000 | 0,177 | Offen | 3 |
| NKI35/20 | 35 | 50 | 20 | 26,4 | 51,0 | 11000 | 0,121 | Offen | 2 |
| NKI35/30 | 35 | 50 | 30 | 38,0 | 83,0 | 11000 | 0,191 | Offen | 4 |
| NKI38/20 | 38 | 53 | 20 | 27,5 | 55,0 | 11000 | 0,136 | Offen | 2 |
| NKI38/30 | 38 | 53 | 30 | 40,2 | 90,0 | 11000 | 0,205 | Offen | 3 |
| NKI40/20 | 40 | 55 | 20 | 27,5 | 57,0 | 10000 | 0,134 | Offen | 2 |
| NKI40/30 | 40 | 55 | 30 | 40,2 | 93,0 | 10000 | 0,206 | Offen | 2 |
| NKI42/20 | 42 | 57 | 20 | 29,2 | 61,0 | 10000 | 0,146 | Offen | 3 |
| NKI42/30 | 42 | 57 | 30 | 41,8 | 98,0 | 10000 | 0,223 | Offen | 3 |
| NKI45/25 | 45 | 62 | 25 | 38,0 | 78,0 | 9000 | 0,215 | Offen | 3 |
| NKI45/35 | 45 | 62 | 35 | 49,5 | 110,0 | 9000 | 0,307 | Offen | 2 |
| NKI50/25 | 50 | 68 | 25 | 40,2 | 88,0 | 8500 | 0,270 | Offen | 3 |
| NKI50/35 | 50 | 68 | 35 | 52,3 | 122,0 | 8500 | 0,379 | Offen | 4 |
| NKI55/25 | 55 | 72 | 25 | 41,8 | 96,5 | 7500 | 0,255 | Offen | 3 |
| NKI55/35 | 55 | 72 | 35 | 55,0 | 134,0 | 7500 | 0,379 | Offen | 4 |
| NKI60/25 | 60 | 82 | 25 | 44,0 | 95,0 | 6700 | 0,391 | Offen | 2 |
| NKI60/35 | 60 | 82 | 35 | 60,5 | 146,0 | 6700 | 0,580 | Offen | 3 |
| NKI65/25 | 65 | 90 | 25 | 52,8 | 106,0 | 6300 | 0,467 | Offen | 2 |
| NKI65/35 | 65 | 90 | 35 | 73,7 | 163,0 | 6300 | 0,659 | Offen | 2 |
| NKI70/25 | 70 | 95 | 25 | 56,1 | 127,0 | 5600 | 0,499 | Offen | 2 |
| NKI70/35 | 70 | 95 | 35 | 76,5 | 190,0 | 5600 | 0,707 | Offen | 3 |
| NKI75/25 | 75 | 105 | 25 | 69,3 | 132,0 | 5300 | 0,639 | Offen | 2 |
| NKI75/35 | 75 | 105 | 35 | 96,8 | 200,0 | 5300 | 0,905 | Offen | 2 |
| NKI80/25 | 80 | 110 | 25 | 72,1 | 140,0 | 5000 | 0,675 | Offen | 3 |
| NKI80/35 | 80 | 110 | 35 | 101,0 | 216,0 | 5000 | 0,959 | Offen | 2 |
| NKI85/26 | 85 | 115 | 26 | 73,7 | 146,0 | 4800 | 0,743 | Offen | 4 |
| NKI85/36 | 85 | 115 | 36 | 105,0 | 232,0 | 4800 | 1,036 | Offen | 2 |
| NKI90/26 | 90 | 120 | 26 | 76,5 | 156,0 | 4500 | 0,779 | Offen | 3 |
| NKI90/36 | 90 | 120 | 36 | 108,0 | 250,0 | 4500 | 1,087 | Offen | 2 |
| NKI95/26 | 95 | 125 | 26 | 78,1 | 166,0 | 4300 | 0,809 | Offen | 2 |
| NKI95/36 | 95 | 125 | 36 | 112,0 | 265,0 | 4300 | 1,136 | Offen | 2 |
| NKI100/30 | 100 | 130 | 30 | 96,8 | 220,0 | 4000 | 0,983 | Offen | 2 |
| NKI100/40 | 100 | 130 | 40 | 123,0 | 305,0 | 4000 | 1,322 | Offen | 2 |
| NKI140/32 | 140 | 180 | 32 | – | – | – | 2,160 | Offen | 1 |
Load ratings (C, C0), limiting speed and mass are catalogue values of the open steel standard execution — sizes without a verified catalogue value show "–". Contact seals (RS/2RS) reduce the limiting speed; stainless and ceramic executions differ. All data without guarantee.