NTN軸承後綴代号表示意義

（A）：标準角30°

·                                 B：标準角40°

·                                 C：标準角15°

圓錐滾子軸承

（B）：接觸角大于10°至17°（包括）

·                                 C：接觸角大于17°至24°（包括）

·                                 D：接觸角大于24°至32°（包括）

·                                 内部更動編号

·                                 U：内部互換，NTN圓錐滾子軸承

·                                 R：非内部互換，圓錐滾子軸承

·                                 ST：低扭力，圓錐滾子軸承

·                                 HT：高軸向負荷，圓柱軸承

·                                 保持架編号

·                                 L1：高強度車制黃銅保持架

·                                 F1：車制碳鋼保持架

·                                 G1：方孔高強度黃銅無鉚釘保持架

·                                 G2：銷式保持架

·                                 J：沖壓鋼闆保持架

·                                 T2：樹脂保持架

·                                 密封蓋 / 防塵蓋編号

·                                 LLB：橡膠密封圈（非接觸）

·                                 LLU：橡膠密封圈（接觸）

·                                 LLH：橡膠密封圈（低扭矩）

·                                 ZZ：鋼闆密封蓋

·                                 外部變更編号

·                                 K：圓錐内徑，标準比率1：12

·                                 K30：圓錐内徑，标準比率1：30

·                                 N：有止動槽

·                                 NR：有止動環

·                                 D：有油孔

·                                 D1：有油槽及油孔

·                                 雙聯配置編号

·                                 DB：背對背排列

·                                 DF：面對面排列

·                                 DT：并列排列

·                                 D2：雙聯軸承

·                                 G：自由組合

·                                 +a：帶隔圈（a：表示隔圈的标準尺寸）

·                                 内部遊隙 / 預壓

·                                 C2：遊隙小于正常

·                                 （CN）：正常遊隙

·                                 C3：遊隙大于正常

·                                 C4：遊隙大于C3

·                                 C5：遊隙大于C4

·                                 CM：電機用遊隙

·                                 /GL：輕預壓

·                                 /GN：普通預壓

·                                 /GM：中預壓

·                                 /GH：重預壓

·                                 精度編号

·                                 P6：JIS 6級

·                                 P5：JIS 5級

·                                 P4：JIS 4級

·                                 P2：JIS 2級

·                                 2：ABMA 2級

·                                 3：ABMA 3級

·                                 0：ABMA 0級

·                                 00：ABMA 00級

·                                 潤滑劑編号

·                                 /2A：Shell Alvania 2 油脂

·                                 /3A：Shell Alvania 3 油脂

·                                 /8A：Shell Alvania EP2油脂

·                                 /5k：MULTEMP SRL

·                                 /LX11：Barierta Jfe552

·                                 /LP03：熱固性塑料（固體油脂）