Brief introduction to JJJ bearing code with accessories
The bearing code with accessories is composed of the bearing code and the accessory code, and the specific codes are shown in Table 2-18.
Table 2-18 Bearing codes with attachments
Attachment Name | Bearing code with accessories | Example | |
New standards | 0ld standards | ||
Adapter sleeve withdrawal sleeve Inner ring separate thrust collar | Bearing code+tightening sleeve code Bearing code+disassembly sleeve code Suitable for needle roller bearings without inner rings, needle roller combinations Bearing code+lR Applicable to cylindrical roller bearing bearing code+diagonal retaining ring code | 22208K+ H308 22208K+AH308 NKX30+IR NJ210+HJ210 | 253507 353507 NKX30IR 62210 |
Only applicable to packaging and marking of drawings, design documents, and manuals with accessory bearings, not applicable to bearing markings.
Can be combined to simplify NJ...+H]...=NH..., for example: NH 210.
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