| 品牌 | TIMKEN/铁姆肯 | 型号 | ER31 | 旧型号 | ER31 |
| 内径 | 49.212（mm） | 外径 | 90（mm） | 厚度 | 51.6（mm） |
| 重量 | 1（kg） | 保持架及其材料 | J钢板冲压 | 滚动体列数 | 单列 |
| 滚道类型 | 深沟滚道 | 使用特性 | 高速 | 密封防尘形式 | 2Z |
| 滚动体类型 | 球 | 密封盖 | 双面密封 | 滚动体 | 钢球 |
| 轴承材质 | 高碳铬轴承钢（全淬透型)(GCr15) |
青岛辉瑞轴承有限公司供应TIMKEN外球面轴承ER31内径49.2mm外径90mm厚度51.6mm青岛辉瑞轴承有限公司供应TIMKEN外球面轴承ER31内径49.2mm外径90mm厚度51.6mm青岛辉瑞轴承有限公司供应TIMKEN外球面轴承ER31内径49.2mm外径90mm厚度51.6mm青岛辉瑞轴承有限公司供应TIMKEN外球面轴承ER31内径49.2mm外径90mm厚度51.6mm
| ASAHI | FYH KOYO IPTCI | PEER | NTN NSK | FAFNIR | |
| SER201 | ER201 | UCS201LD1NR | |||
| SER201-8 | ER201-8 | SER-8 | UCS201-008LD1NR | ER08 | GC1008KRRG-2 |
| SER202 | ER202 | UCS202LD1NR | |||
| SER202-9 | ER202-9 | SER-9 | UCS202-009LD1NR | ||
| SER202-10 | ER202-10 | SER-10 | UCS202-010LD1NR | ER10 | GC1010KRRG-2 |
| SER203 | ER203 | UCS203LD1NR | |||
| SER203-11 | ER203-11 | SER-11 | UCS203-011LD1NR | ||
| SER204 | ER204 | SER-20mm | UCS204LD1NR | GCE20KRRG-2 | |
| SER204-12 | ER204-12 | SER-12 | UCS204-012LD1NR | ER12 | GC1012KRRG-2 |
| SER205 | ER205 | SER-25mm | UCS205LD1NR | GCE25KRRG-2 | |
| SER205-13 | ER205-13 | UCS205-013LD1NR | ER13 | GC1013KRRG-2 | |
| SER205-14 | ER205-14 | SER-14 | UCS205-014LD1NR | ER14 | GC1014KRRG-2 |
| SER205-15 | ER205-15 | SER-15 | UCS205-015LD1NR | ER15 | GC1015KRRG-2 |
| SER205-16 | ER205-16 | SER-16 | UCS205-100LD1NR | ER16 | GC1100KRRG-2 |
| SER206 | ER206 | SER-30mm | UCS206LD1NR | GCE30KRRG-2 | |
| SER206-17 | ER206-17 | SER-17 | UCS206-101LD1NR | ER17 | GC1101KRRG-2 |
| SER206-18 | ER206-18 | SER-18 | UCS206-102LD1NR | ER18 | GC1102KRRG-2 |
| SER206-19 | ER206-19 | SER-19 | UCS206-103LD1NR | ER19 | GC1103KRRG-2 |
| SER206-20 | ER206-20 | SER-20S | UCS206-104LD1NR | ||
| SER207 | ER207 | SER-35mm | UCS207LD1NR | GCE35KRRG-2 | |
| SER207-20 | ER207-20 | SER-20 | UCS207-104LD1NR | ER20 | GC1104KRRG-2 |
| SER207-21 | ER207-21 | SER-21 | UCS207-105LD1NR | ER21 | GC1105KRRG-2 |
| SER207-22 | ER207-22 | SER-22 | UCS207-106LD1NR | ER22 | GC1106KRRG-2 |
| SER207-23 | ER207-23 | SER-23 | UCS207-107LD1NR | ER23 | GC1107KRRG-2 |
| SER208 | ER208 | SER-40mm | UCS208LD1NR | GCE40KRRG-2 | |
| SER208-24 | ER208-24 | SER-24 | UCS208-108LD1NR | ER24 | GC1108KRRG-2 |
| SER208-25 | ER208-25 | SER-25 | UCS208-109LD1NR | ER25 | GC1109KRRG-2 |
| SER209 | ER209 | SER-45mm | UCS209LD1NR | GCE45KRRG-2 | |
| SER209-26 | ER209-26 | SER-26 | UCS209-110LD1NR | ER26 | GC1110KRRG-2 |
| SER209-27 | ER209-27 | SER-27 | UCS209-111LD1NR | ER27 | GC1111KRRG-2 |
| SER209-28 | ER209-28 | SER-28 | UCS209-112LD1NR | ER28 | GC1112KRRG-2 |
| SER210 | ER210 | SER-50mm | UCS210LD1NR | GCE50KRRG-2 | |
| SER210-29 | ER210-29 | SER-29 | UCS210-113LD1NR | ER29 | GC1113KRRG-2 |
| SER210-30 | ER210-30 | SER-30 | UCS210-114LD1NR | ER30 | GC1114KRRG-2 |
| SER210-31 | ER210-31 | SER-31 | UCS210-115LD1NR | ER31 | GC1115KRRG-2 |
| SER210-32 | ER210-32 | SER-32S | UCS210-200LD1NR | ||
| SER211 | ER211 | SER-55mm | UCS211LD1NR | GCE55KRRG-2 | |
| SER211-32 | ER211-32 | SER-32 | UCS211-200LD1NR | ER32 | GC1200KRRG-2 |
| SER211-33 | ER211-33 | SER-33 | UCS211-201LD1NR | ER33 | GC1201KRRG-2 |
| SER211-34 | ER211-34 | SER-34 | UCS211-202LD1NR | ER34 | GC1202KRRG-2 |
| SER211-35 | ER211-35 | SER-35 | UCS211-203LD1NR | ER35 | GC1203KRRG-2 |
| SER212 | ER212 | SER-60mm | UCS212LD1NR | GCE60KRRG-2 | |
| SER212-36 | ER212-36 | SER-36 | UCS212-204LD1NR | ER36 | GC1204KRRG-2 |
| SER212-37 | ER212-37 | UCS212-205LD1NR | ER37 | GC1205KRRG-2 | |
| SER212-38 | ER212-38 | SER-38 | UCS212-206LD1NR | ER38 | GC1206KRRG-2 |
| SER212-39 | ER212-39 | SER-39 | UCS212-207LD1NR | ER39 | GC1207KRRG-2 |
| SER213 | UCS213LD1NR | GCE65KRRG-2 | |||
| SER213-39 | UCS213-207LD1NR | ||||
| SER213-40 | UCS213-208LD1NR | ER40 | GC1208KRRG-2 | ||
| SER213-41 | UCS213-209LD1NR | ER41 | GC1209KRRG-2 | ||
| SER214 | UCS214LD1NR | GCE70KRRG-2 | |||
| SER214-42 | UCS214-210LD1NR | ER42 | GC1210KRRG-2 | ||
| SER214-43 | UCS214-211LD1NR | ER43 | GC1211KRRG-2 | ||
| SER214-44 | UCS214-212LD1NR | ER44 | GC1212KRRG-2 | ||
| SER215 | UCS215LD1NR | GCE75KRRG-2 | |||
| SER215-45 | UCS215-213LD1NR | ER45 | GC1213KRRG-2 | ||
| SER215-46 | UCS215-214LD1NR | ER46 | GC1214KRRG-2 | ||
| SER215-47 | UCS215-215LD1NR | ER47 | GC1215KRRG-2 | ||
| SER215-48 | UCS215-300LD1NR | ER48 | GC1300KRRG-2 | ||
| SER216 | UCS216LD1NR | ||||
| SER217 | UCS217LD1NR | https://detail.1688.com/offer/553046344264.html?spm=a2615.7691456.newlist.94.4dad4aa4xzMoyf | |||
| SER218 | UCS218LD1NR |
