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  • 28995/28921D
  • 新型号：
  • 旧型号：
  • 所属类型：TDO双外圈
  • 品牌：TIMKEN轴承
  • ConeInner:28995     CupOuter:28921D     d:62.738mm     D:99.9998mm     T:55.56mm     B:25.4mm     R:3.556mm     db:74.93mm     Aa:2.032mm     a:-2.54mm     C:44.45mm     r:0.762mm    
  • 重量：1551.29kg
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 28995 内圈
CupOuter 28921D 外圈
d 62.738 mm 内径
D 99.9998 mm 外径
T 55.56 mm 宽度
B 25.4 mm 内圈宽度
R 3.556 mm 最大轴肩倒角半径
db 74.93 mm 轴肩直径
Aa 2.032 mm 保持架（负值表示保持架超出内圈大端面）
a -2.54 mm 有效中心位置
C 44.45 mm 外圈宽度
r 0.762 mm 最大轴承座挡肩圆角半径
基本额定载荷
C1 184601 一百万转动态径向载荷
C902 48040.8 九千万转双列轴承动态径向载荷
C901 27490 九千万转单列轴承动态径向载荷
Ca90 20017 九千万转动态轴向载荷
C0 149015 静态额定载荷
K=0.39/Tancontactangle 1.37 系数
e=1.5*Tancontactangle 0.43 系数
Y1=0.45/Tancontactangle 1.59 系数
几何结构系数
Cg 0.1032 几何系数
重量
AssemblyWeight 1551.29 g

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基本 文件 流程 错误 SQL 调试
  1. 请求信息 : 2026-09-17 21:52:38 HTTP/2.0 GET : https://so.zcwcn.com/detail-334676.html
  2. 运行时间 : 1.157184s [ 吞吐率：0.86req/s ] 内存消耗：6,277.10kb 文件加载：151
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=99e2a47115203d709273a2e1e0dae950
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  1. CONNECT:[ UseTime:0.000639s ] mysql:host=127.0.0.1;port=3306;dbname=zcwcn_db;charset=utf8
  2. SHOW FULL COLUMNS FROM `zzw_config` [ RunTime:0.002364s ]
  3. SELECT * FROM `zzw_config` ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000385s ]
  4. SHOW FULL COLUMNS FROM `zzw_common_cat` [ RunTime:0.001606s ]
  5. SELECT * FROM `zzw_common_cat` WHERE `deltime` = '' AND `parent_id` = 0 ORDER BY `sort` ASC,`id` ASC LIMIT 0,4 [ RunTime:0.000523s ]
  6. SELECT * FROM `zzw_common_cat` WHERE `parent_id` = 15 AND `deltime` = '' ORDER BY `sort` ASC LIMIT 0,8 [ RunTime:0.000440s ]
  7. SELECT * FROM `zzw_common_cat` WHERE `parent_id` = 16 AND `deltime` = '' ORDER BY `sort` ASC LIMIT 0,8 [ RunTime:0.000449s ]
  8. SELECT * FROM `zzw_common_cat` WHERE `parent_id` = 14 AND `deltime` = '' ORDER BY `sort` ASC LIMIT 0,8 [ RunTime:0.000492s ]
  9. SELECT * FROM `zzw_common_cat` WHERE `parent_id` = 13 AND `deltime` = '' ORDER BY `sort` ASC LIMIT 0,8 [ RunTime:0.000404s ]
  10. SELECT `url` FROM `zzw_config` WHERE `id` = 2 LIMIT 1 [ RunTime:0.000275s ]
  11. SHOW FULL COLUMNS FROM `zzw_bearing` [ RunTime:0.001552s ]
  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` = '334676' LIMIT 1 [ RunTime:0.000490s ]
  13. SHOW FULL COLUMNS FROM `zzw_bearing_brand` [ RunTime:0.001371s ]
  14. SELECT * FROM `zzw_bearing_brand` WHERE `id` = 3016 LIMIT 1 [ RunTime:0.000359s ]
  15. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.014946s ]
  16. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.012797s ]
  17. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.012996s ]
  18. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.011480s ]
  19. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.016487s ]
  20. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.009856s ]
  21. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.011510s ]
  22. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.009149s ]
  23. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.012122s ]
  24. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.013516s ]
  25. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.009632s ]
  26. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.013406s ]
  27. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.012403s ]
  28. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.015886s ]
  29. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.013061s ]
  30. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.013543s ]
  31. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.013959s ]
  32. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.010293s ]
  33. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.011094s ]
  34. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.011951s ]
  35. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.011696s ]
  36. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.013026s ]
  37. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.013379s ]
  38. SELECT `id`,`catid`,`brandid`,`para_json` FROM `zzw_bearing` `b` WHERE `brandid` = 3016 AND `catid` = 3057 AND `deltime` = '' [ RunTime:0.015937s ]
  39. SELECT * FROM `zzw_config` WHERE `id` = 2 LIMIT 1 [ RunTime:0.000781s ]
1.166055s