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  • 74550A/74851CD
  • 新型号：
  • 旧型号：
  • 所属类型：TDO双外圈
  • 品牌：TIMKEN轴承
  • ConeInner:74550A     CupOuter:74851CD     d:139.7mm     D:215.9mm     T:106.363mm     B:47.625mm     R:6.35mm     db:166.116mm     Aa:4.826mm     a:2.286mm     C:80.9625mm     r:1.524mm    
  • 重量：12700.59kg
相关供应商
产品参数
产品型录
产品介绍
轴承类型
BearingType TRB -
子类
BearingSubtype TDO -
基本尺寸
ConeInner 74550A 内圈
CupOuter 74851CD 外圈
d 139.7 mm 内径
D 215.9 mm 外径
T 106.363 mm 宽度
B 47.625 mm 内圈宽度
R 6.35 mm 最大轴肩倒角半径
db 166.116 mm 轴肩直径
Aa 4.826 mm 保持架（负值表示保持架超出内圈大端面）
a 2.286 mm 有效中心位置
C 80.9625 mm 外圈宽度
r 1.524 mm 最大轴承座挡肩圆角半径
基本额定载荷
C1 667233 一百万转动态径向载荷
C902 172591 九千万转双列轴承动态径向载荷
C901 99195.3 九千万转单列轴承动态径向载荷
Ca90 82736.9 九千万转动态轴向载荷
C0 613855 静态额定载荷
K=0.39/Tancontactangle 1.20 系数
e=1.5*Tancontactangle 0.49 系数
Y1=0.45/Tancontactangle 1.38 系数
几何结构系数
Cg 0.1338 几何系数
重量
AssemblyWeight 12700.59 g

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基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-09-17 16:21:43 HTTP/2.0 GET : https://so.zcwcn.com/detail-335131.html
  2. 运行时间 : 1.089990s [ 吞吐率：0.92req/s ] 内存消耗：6,277.19kb 文件加载：151
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=7b41b106b61c1abcc53884c9076f3e0b
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  1. CONNECT:[ UseTime:0.000742s ] mysql:host=127.0.0.1;port=3306;dbname=zcwcn_db;charset=utf8
  2. SHOW FULL COLUMNS FROM `zzw_config` [ RunTime:0.002056s ]
  3. SELECT * FROM `zzw_config` ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000397s ]
  4. SHOW FULL COLUMNS FROM `zzw_common_cat` [ RunTime:0.001351s ]
  5. SELECT * FROM `zzw_common_cat` WHERE `deltime` = '' AND `parent_id` = 0 ORDER BY `sort` ASC,`id` ASC LIMIT 0,4 [ RunTime:0.000495s ]
  6. SELECT * FROM `zzw_common_cat` WHERE `parent_id` = 15 AND `deltime` = '' ORDER BY `sort` ASC LIMIT 0,8 [ RunTime:0.000536s ]
  7. SELECT * FROM `zzw_common_cat` WHERE `parent_id` = 16 AND `deltime` = '' ORDER BY `sort` ASC LIMIT 0,8 [ RunTime:0.000532s ]
  8. SELECT * FROM `zzw_common_cat` WHERE `parent_id` = 14 AND `deltime` = '' ORDER BY `sort` ASC LIMIT 0,8 [ RunTime:0.000485s ]
  9. SELECT * FROM `zzw_common_cat` WHERE `parent_id` = 13 AND `deltime` = '' ORDER BY `sort` ASC LIMIT 0,8 [ RunTime:0.000492s ]
  10. SELECT `url` FROM `zzw_config` WHERE `id` = 2 LIMIT 1 [ RunTime:0.000349s ]
  11. SHOW FULL COLUMNS FROM `zzw_bearing` [ RunTime:0.001621s ]
  12. SELECT `b`.*,`br`.`brandname`,`bc`.`catname` FROM `zzw_bearing` `b` LEFT JOIN `zzw_bearing_brand` `br` ON `b`.`brandid`=`br`.`id` LEFT JOIN `zzw_bearing_cat` `bc` ON `b`.`catid`=`bc`.`catid` WHERE `b`.`id` = '335131' LIMIT 1 [ RunTime:0.000577s ]
  13. SHOW FULL COLUMNS FROM `zzw_bearing_brand` [ RunTime:0.001496s ]
  14. SELECT * FROM `zzw_bearing_brand` WHERE `id` = 3016 LIMIT 1 [ RunTime:0.000478s ]
  15. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.014724s ]
  16. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.011676s ]
  17. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.011856s ]
  18. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.015301s ]
  19. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.012008s ]
  20. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.014435s ]
  21. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.015233s ]
  22. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.016741s ]
  23. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.014406s ]
  24. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.013167s ]
  25. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.012479s ]
  26. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.012640s ]
  27. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.012710s ]
  28. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.011867s ]
  29. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.011347s ]
  30. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.015225s ]
  31. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.011871s ]
  32. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.012401s ]
  33. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.011939s ]
  34. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.012038s ]
  35. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.012409s ]
  36. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.012611s ]
  37. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.012777s ]
  38. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.011688s ]
  39. SELECT * FROM `zzw_config` WHERE `id` = 2 LIMIT 1 [ RunTime:0.000825s ]
1.098310s