Electrically Insulated Bearing 6313-M-J20AA-C4 is Deep Groove Ball Bearing design. its dimension is 65×140×33mm, it has the same dimension and the same design with normal chrome steel 6313 bearing. but the most different is 6313-M-J20AA-C4 bearing with Aluminium Oxide Coating. the coating can Electrical Resistance Voltages up to 3000 V DC. This kind of bearing are widely used in high quality demand application like traction motor.
Features of insulated bearings
1. High insulation properties
To prevent electric corrosion in bearings, a highly productive aluminum ceramic coating material is used to coat the outer ring, and by combining optimized additives, insulation performance is improved by about tenfold.
2. Improved durability
· Optimizing bearing elements improves film impact resistance by a factor of 3x.
· Optimized ceramic coating materials makes for excellent heat dissipation.
| Designation | Mass | Dimensions | R |
|
|
| Load Rating | Fatigue
Limit Load | Limiting
Speed | Reference
Speed |
| EASIER | (kg) | d | D | B | Min | D1 | D2 | d | dyn.Cr | stat.Cor | Cur |
|
|
| 6212-M-J20B-C4 | 0,98 | 60 | 110 | 22 | 1,5 | 95,6 |
| 76,1 | 52 | 36 | 2,24 | 14 000 | 6 800 |
| 6213-J20B-C4 | 1 | 65 | 120 | 23 | 1,5 | 103,1 |
| 82,3 | 60 | 41,5 | 2,55 | 13 000 | 6 300 |
| 6313-M-J20AA-C5 | 2,55 | 65 | 140 | 33 | 2,1 | 117,5 |
| 88,6 | 93 | 60 | 3,95 | 11 000 | 6 400 |
| 6214-2RSR-J20AA-C3 | 1,11 | 70 | 125 | 24 | 1,5 |
| 110,7 | 86,8 | 62 | 44 | 2,9 | 12 000 | 6 100 |
| 6215-M-J2B-C4 | 1,42 | 75 | 130 | 25 | 1,5 | 112,8 |
| 92,5 | 65,5 | 49 | 3,35 | 11 000 | 5 900 |
| 6215-M-P6-J20AA-R85-105 | 1,42 | 75 | 130 | 25 | 1,5 | 112,8 |
| 92,5 | 65,5 | 49 | 3,35 | 11 000 | 5 900 |
| 6315-M-J20AA-C3 | 3,74 | 75 | 160 | 37 | 2,1 | 133,2 |
| 101,8 | 114 | 76,5 | 4,65 | 9 500 | 5 800 |
| 6016-M-J20AA | 0,997 | 80 | 125 | 22 | 1,1 | 111 |
| 94 | 47,5 | 40 | 2,34 | 12 000 | 6 500 |
| 6216-J20AA-C3 | 1,46 | 80 | 140 | 26 | 2 | 121,3 |
| 98,8 | 72 | 54 | 3,45 | 11 000 | 5 500 |
| 6316-J20AA-C3 | 3,75 | 80 | 170 | 39 | 2,1 | 141,8 |
| 108,6 | 122 | 86,5 | 5,2 | 9 000 | 5 500 |
| 6316-M-J20B-C4 | 4,44 | 80 | 170 | 39 | 2,1 | 141,8 |
| 108,6 | 122 | 86,5 | 5,2 | 9 000 | 5 500 |
| F-808916.6316-J20AA | 3,69 | 80 | 170 | 39 | 2,1 | 141,8 |
| 108,6 | 122 | 86,5 | 5,2 | 9 000 | 5 500 |
| 6317-M-J20AA-C3 | 5,05 | 85 | 180 | 41 | 3 | 151,6 |
| 114,4 | 132 | 96,5 | 5,8 | 8 000 | 5 300 |
| 6218-J20AA-C3 | 2,21 | 90 | 160 | 30 | 2 | 139,4 |
| 112,3 | 96,5 | 72 | 4,2 | 9 000 | 5 100 |
| 6318-M-J20AA-C3 | 6,14 | 90 | 190 | 43 | 3 | 157,1 |
| 123,8 | 134 | 102 | 5,8 | 8 000 | 5 100 |
| 6319-M-J20AA-C4 | 7,05 | 95 | 200 | 45 | 3 | 166,9 |
| 129,1 | 146 | 114 | 6,4 | 7 500 | 4 950 |
| 6220-J20C-C3 | 3,3 | 100 | 180 | 34 | 2,1 | 154,8 |
| 124,7 | 122 | 93 | 5,4 | 8 000 | 4 800 |
| 6220-M-J20AA-R95-120 | 3,9 | 100 | 180 | 34 | 2,1 | 154,8 |
| 124,7 | 122 | 93 | 5,4 | 8 000 | 4 800 |
| 6320-M-J20AA-C3 | 8,64 | 100 | 215 | 47 | 3 | 179 |
| 138,6 | 163 | 134 | 7,4 | 7 000 | 4 650 |
| 16021-M-J20AA-C5 | 1,42 | 105 | 160 | 18 | 1 | 141,2 |
| 124,2 | 54 | 54 | 2,39 | 9 500 | 3 950 |
| 6322-M-J20AA-C3 | 11,7 | 110 | 240 | 50 | 3 | 197,4 |
| 153,4 | 190 | 166 | 8,6 | 6 300 | 4 150 |
| 6324-M-J20AA-C3 | 15 | 120 | 260 | 55 | 3 | 214,9 |
| 165,1 | 212 | 190 | 9 | 6 000 | 3 850 |
| 6326-M-J20AA-C3 | 18,3 | 130 | 280 | 58 | 4 | 231,2 |
| 178,9 | 228 | 216 | 9,8 | 5 600 | 3 500 |
| 6230-J20AA | 10,3 | 150 | 270 | 45 | 3 | 229,1 |
| 191,6 | 176 | 170 | 7,8 | 5 600 | 3 350 |
| 6336-M-J20AA-C4 | 43 | 180 | 380 | 75 | 4 | 317 |
| 245,2 | 355 | 405 | 16,3 | 3 800 | 2 440 |
Principle bearing types for traction motor applications
• cylindrical roller bearings
• electrically insulated cylindrical roller bearings
• electrically insulated deep groove ball bearings
• hybrid cylindrical roller bearings with ceramic rollers
• hybrid deep groove ball bearings with ceramic balls
• traction motor bearing units based on cylindrical roller bearings and
deep groove ball bearings
• Sensorised traction motor bearing unit
• Regreasable traction motor bearing unit
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