

IKO IRT 3530,IRT 3540 INNER RINGS
IKO IRT 3530,IRT 3540 Description
|   Shaft dia. 
 mm  |   
 Identification number  | Mass (Ref.) 
 
 g  | Boundary dimensions mm | Standard mounting dimension mm d a  | Assembled bearings | |||||||
| d | F | B | (1) rs min  | TA … Z (TAM) | TLA … Z (TLAM) | YT YTL | ||||||
| Min. | Max. | |||||||||||
| IRT 2016 | 17.5 | 20 | 24 | 16.5 | 0.3 | 22 | 23 | TA 243216Z | ─ ─ ─ ─ ─ TLA 2520Z ─ TLA 2526Z ─ TLAW 2538Z  | YT 243216 | ||
| IRT 2020 | 22 | 20 | 24 | 20.5 | 0.3 | 22 | 23 | TA 2420Z | YT 243220 | |||
| TA 243220Z | ||||||||||||
| IRT 2028 | 30.5 | 20 | 24 | 28.5 | 0.3 | 22 | 23 | TA 2428Z | YT 2428 | |||
| IRT 2010-1 | 14.3 | 20 | 25 | 10.5 | 0.3 | 22 | 24 | TA 2510Z | YT 2510 | |||
| 20 | IRT 2015-1 | 21 | 20 | 25 | 15.5 | 0.3 | 22 | 24 | TA 2515Z | YT 2515 | ||
| IRT 2020-1 | 28 | 20 | 25 | 20.5 | 0.3 | 22 | 24 | TA 2520Z | YT 2520 | |||
| IRT 2025-1 IRT 2026-1 IRT 2030-1 IRT 2038-1  | 34.5 36 41.5 52.5  | 20 20 20 20  | 25 25 25 25  | 25.5 26.5 30.5 38.5  | 0.3 0.3 0.3 0.3  | 22 22 22 22  | 24 24 24 24  | TA 2525Z ─ TA 2530Z ─  | YT  2525 YTL 2526 ─ ─  | |||
|   22  | IRT 2216 IRT 2220 IRT 2220-1 IRT 2230-1  | 19.1 24 37 55.5  | 22 22 22 22  | 26 26 28 28  | 16.5 20.5 20.5 30.5  | 0.3 0.3 0.3 0.3  | 24 24 24 24  | 25 25 27 27  | TA 2616Z TA 2620Z TA 2820Z TA 2830Z | ─ ─ TLA 2820Z ─  | YT  2616 YT 2620 YT 2820 ─  | |
| IRT 2520 | 26.5 | 25 | 29 | 20.5 | 0.3 | 27 | 28 | TA 2920Z | ─ ─ ─ TLA 3020Z ─ TLA 3026Z ─ TLAW 3038Z  | YT  2920 ─ ─ ─ ─ ─ ─ ─  | ||
| IRT 2530 | 40 | 25 | 29 | 30.5 | 0.3 | 27 | 28 | TA 2930Z | ||||
| IRT 2515-1 | 25.5 | 25 | 30 | 15.5 | 0.3 | 27 | 29 | TA 3015Z | ||||
| 25 | IRT 2520-1 IRT 2525-1 IRT 2526-1  | 34 42.5 44  | 25 25 25  | 30 30 30  | 20.5 25.5 26.5  | 0.3 0.3 0.3  | 27 27 27  | 29 29 29  | TA 3020Z TA 3025Z ─  | |||
| IRT 2530-1 IRT 2538-1  | 50.5 64  | 25 25  | 30 30  | 30.5 38.5  | 0.3 0.3  | 27 27  | 29 29  | TA 3030Z ─  | ||||
| 28 | IRT 2820 IRT 2830  | 29.5 44  | 28 28  | 32 32  | 20.5 30.5  | 0.3 0.3  | 30 30  | 31 31  | TA 3220Z TA 3230Z | ─ ─  | YT  3220 ─  | |
| 30 | IRT 3012 IRT 3015  | 24.5 30.5  | 30 30  | 35 35  | 12.5 15.5  | 0.6 0.6  | 34 34  | 34.5 34.5  | TA 3512Z TA 3515Z | TLA      3512Z ─  | ─ ─  | |
|   Shaft dia. 
 mm  |   
 Identification number  | Mass (Ref.) 
 
 g  | Boundary dimensions mm | Standard mounting dimension mm d a  | Assembled bearings | |||||||
| d | F | B | (1) rs min  | TA … Z (TAM) | TLA … Z (TLAM) | YT YTL | ||||||
| Min. | Max. | |||||||||||
|   30  | IRT 3020 IRT 3025 IRT 3030  | 40 50 60  | 30 30 30  | 35 35 35  | 20.5 25.5 30.5  | 0.6 0.6 0.6  | 34 34 34  | 34.5 34.5 34.5  | TA      3520Z TA 3525Z TA 3530Z  | TLA 3520Z ─ ─  | ─ ─ ─  | |
|   
 
 32  | IRT 3220 IRT 3230 IRT 3215-1 IRT 3220-1 IRT 3225-1 IRT 3230-1 IRT 3245-1  | 42.5 63.5 39.5 52 64.5 77.5 115  | 32 32 32 32 32 32 32  | 37 37 38 38 38 38 38  | 20.5 30.5 15.5 20.5 25.5 30.5 45.5  | 0.6 0.6 0.6 0.6 0.6 0.6 0.6  | 36 36 36 36 36 36 36  | 36.5 36.5 37 37 37 37 37  | TA      3720Z TA 3730Z TA 3815Z TA 3820Z TA 3825Z TA 3830Z TAW 3845Z  | ─ ─ ─ ─ ─ ─ ─  | YT 3720 ─ ─ ─ ─ ─ ─  | |
|   
 35  | IRT 3515 IRT 3520 IRT 3525 IRT 3530 IRT 3540  | 35 46.5 58 69 91.5  | 35 35 35 35 35  | 40 40 40 40 40  | 15.5 20.5 25.5 30.5 40.5  | 0.6 0.6 0.6 0.6 0.6  | 39 39 39 39 39  | 39.5 39.5 39.5 39.5 39.5  | TA      4015Z TA 4020Z TA 4025Z TA 4030Z TA 4040Z  | ─ TLA 4020Z ─ ─ ─  | YT 4015 ─ YT 4025 ─ ─  | |
|   40  | IRT 4020 IRT 4025 IRT 4030 IRT 4040  | 52.5 65.5 78.5 104  | 40 40 40 40  | 45 45 45 45  | 20.5 25.5 30.5 40.5  | 0.6 0.6 0.6 0.6  | 44 44 44 44  | 45.5 45.5 45.5 45.5  | TA      4520Z TA 4525Z TA 4530Z TA 4540Z  | TLA 4520Z ─ ─ ─  | YT 4520 YT 4525 ─ ─  | |
|   
 
 45  | IRT 4512 IRT 4515 IRT 4520 IRT 4525 IRT 4530 IRT 4540 IRT 4545  | 36 44.5 59 73 87.5 116 131  | 45 45 45 45 45 45 45  | 50 50 50 50 50 50 50  | 12.5 15.5 20.5 25.5 30.5 40.5 45.5  | 0.6 0.6 0.6 0.6 0.6 0.6 0.6  | 49 49 49 49 49 49 49  | 49.5 49.5 49.5 49.5 49.5 49.5 49.5  | TA      5012Z TA 5015Z TA 5020Z TA 5025Z TA 5030Z TA 5040Z TAW 5045Z  | ─ ─ TLA 5020Z TLA 5025Z ─ ─ ─  | ─ ─ ─ ─ ─ ─ ─  | |

IKO IRT 3530,IRT 3540 Nots
Note(1)  Minimum allowable value of chamfer dimension r
Remark No oil hole is provided.

