IKO BA 4416 Z,BAM 4416,BA 4420 Z,BAM 4420 SHELL TYPE NEEDLE ROLLER BEARINGS
IKO BA 4416 Z,BAM 4416,BA 4420 Z,BAM 4420 Description
| Shaft dia.
mm (inch) | Identification number | |||||||||
| Standard | Mass (Ref. ) g | Closed end | Mass (Ref. ) g | Standard | Mass (Ref. ) g | Closed end | Mass (Ref. ) g | Grease retained | Mass (Ref. ) g | |
| 53.975 2 1╱8 ） | BA 348 Z BA 3416 Z BA 3424 Z | 53 109 162 | BAM 348 BAM 3416 BAM 3424 | 70.5 127 180 | ─ ─ ─ | ─ ─ ─ | ─ ─ ─ | ─ ─ ─ | ─ ─ ─ | ─ ─ ─ |
| 57.150 2 1╱4 ） | BA 3612 Z BA 3616 Z BA 3620 Z BA 3624 Z | 85.5 115 143 172 | BAM 3612 BAM 3616 BAM 3620 BAM 3624 | 105 135 163 192 | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ |
| 66.675 2 5╱8 ） | BA 4216 Z | 133 | BAM 4216 | 161 | ─ | ─ | ─ | ─ | ─ | ─ |
| 69.850 2 3╱4 ） | BA 4410 Z BA 4412 Z BA 4416 Z BA 4420 Z | 85.5 103 139 173 | BAM 4410 BAM 4412 BAM 4416 BAM 4420 | 115 133 169 205 | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ | ─ ─ ─ ─ |
| Boundary dimensions mm(inch) | Standard mounting dimensions mm | Basic dynamic load rating C N | Basic static load rating C0 N | Allowable rotational speed(1)
min-1 | Assembled inner ring | ||||||
| Fw | D | C | t1 Max. | Shaft dia. h6 | Housing bore dia. J7 | ||||||
| Max. | Min. | Max. | Min. | ||||||||
| 53.975（2 1╱8） | 63.500（2 1╱2） | 12.70( .500) | 2.8 | 16 100 | 26 600 | 5 500 | ─ | ||||
| 53.975（2 1╱8） 53.975（2 1╱8） | 63.500（2 1╱2） 63.500（2 1╱2） | 25.40(1.000) 38.10(1.500) | 2.8 2.8 | 53.975 | 53.956 | 63.518 | 63.488 | 38 700 57 900 | 82 500 138 000 | 5 500 5 500 | IRB 3016 IRB 3024 |
| 57.150（2 1╱4） | 66.675（2 5╱8） | 19.05( .750) | 2.8 | 28 500 | 56 700 | 5 000 | ─ | ||||
| 57.150（2 1╱4） 57.150（2 1╱4） | 66.675（2 5╱8） 66.675（2 5╱8） | 25.40(1.000) 31.75(1.250) | 2.8 2.8 | 57.150 | 57.131 | 66.693 | 66.663 | 39 300 49 400 | 85 700 115 000 | 5 000 5 000 | ─ ─ |
| 57.150（2 1╱4） | 66.675（2 5╱8） | 38.10(1.500) | 2.8 | 58 800 | 144 000 | 5 000 | ─ | ||||
| 66.675（2 5╱8） | 76.200（3 ） | 25.40(1.000) | 2.8 | 66.675 | 66.656 | 76.218 | 76.188 | 42 000 | 97 900 | 4 000 | IRB 3616 |
| 69.850（2 3╱4） | 79.375（3 1╱8） | 15.88( .625) | 2.8 | 25 000 | 50 800 | 3 500 | ─ | ||||
| 69.850（2 3╱4） 69.850（2 3╱4） | 79.375（3 1╱8） 79.375（3 1╱8） | 19.05( .750) 25.40(1.000) | 2.8 2.8 | 69.850 | 69.831 | 79.393 | 79.363 | 31 500 43 500 | 68 700 104 000 | 3 500 3 500 | ─ IRB 4016 |
| 69.850（2 3╱4） | 79.375（3 1╱8） | 31.75(1.250) | 2.8 | 54 600 | 139 000 | 3 500 | IRB 4020 | ||||
IKO BA 4416 Z,BAM 4416,BA 4420 Z,BAM 4420 Nots
Note(1) Allowable rotational speed applies to oil lubrication. For grease lubrication, a maximum of 60% of this value is allowable.
Remarks1. ”W” in the identification number indicates that rolling elements are arranged in double rows.
2. Shell Type Grease Retained Full Complement Needle Roller Bearings are provided with prepacked grease. Standard type and
closed end type bearings are not provided with prepacked grease, so perform proper lubrication when using these types of
bearings.
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