2019 Zoo Zoo Tuam Tshoj Ucf Series Cov Kabmob / Textile Bearings / Mounted Bearing (UCF200 UCF300 UCF X00)
Peb tau cog lus los ua kom yooj yim, txuag sij hawm thiab txuag nyiaj ib-nres kev yuav khoom txhawb nqa ntawm cov neeg siv khoom rau 2019 Zoo ZooTuam Tshoj Ucf Series Bearing /Textile Bearings/Mounted Bearing (UCF200 UCF300 UCF X00), Koj qhov kev nug yuav zoo siab txais tos thiab tseem muaj kev vam meej kev vam meej yog qhov peb xav tau.
Peb tau cog lus los ua kom yooj yim, txuag lub sijhawm thiab txuag nyiaj ib-nres kev yuav khoom txhawb nqa ntawm cov neeg siv khoom.Tuam Tshoj Ucf Series Bearing, Textile Bearings, Peb tau mob siab rau koom tes nrog cov tuam txhab txawv teb chaws uas saib xyuas ntau yam ntawm qhov zoo tiag tiag, khoom siv ruaj khov, muaj peev xwm muaj zog thiab kev pabcuam zoo.Peb tuaj yeem nthuav qhia tus nqi sib tw tshaj plaws nrog cov khoom zoo, vim tias peb muaj ntau yam kev txawj ntse.Koj txais tos tuaj xyuas peb lub tuam txhab txhua lub sijhawm.
Taw qhia
Qhov txawv:
Qhov loj me yog nyob nruab nrab ntawm UCF200 thiab UCF300, tsis dhau me me, qhov tshwj xeeb kev ua haujlwm thiab kev tsim qauv zoo ib yam, nws yog qhov sib txawv ntawm qhov loj me, yog tias tsis muaj qhov xav tau ntawm qhov chaw siab, tuaj yeem hloov tau ntau zaus.
Tsis muaj
Bearing Unit | Ncej Dia. | Dimensions (hauv.) lossis (mm) | Bolt siv | Cov kabmob | Tsev | Qhov hnyav | ||||||||||||||||||||||||
d | TSIS MUAJ. | TSIS MUAJ. | ||||||||||||||||||||||||||||
TSIS MUAJ. | (hauv.) | (mm) | a | e | i | g | l | s | Z | Bi | n | (mm) | (hauv.) | (kg) | ||||||||||||||||
UCF | 305 | 25 | 4 | 11/32 ib | 3 | 5/32 | 5 | 1 | 1 | 5/32 | 5/8 | 1 | 17/32 ib | 1.4961 ib | 05906 ib | M14 | 1/2 | UC | 305 | F | 305 | 1.20 | ||||||||
305-16 : kuv | 1 | 110 | 80 | 16 | 13 | 29 | 16 | 39 | 38 | 15 | 305-16 : kuv | |||||||||||||||||||
UCF | 306-18 : kuv | 1 | 1/8 | 4 | 29/32 ib | 3 | 47/64 ib | 45/64 ib | 19/32 ib | 1 | 1/4 | 5/8 | 1 | 23/32 ib | 1.6929 ib | 0.6693 ib | UC | 306-18 : kuv | ||||||||||||
306 | 30 | 125 | 95 | 18 | 15 | 32 | 16 | 44 | 43 | 17 | M14 | 1/2 | 306 | F | 306 | 1.8 | ||||||||||||||
306-19 : kuv | 1 | 3/16 | 306-19 : kuv | |||||||||||||||||||||||||||
UCF | 307-20 : kuv | 1 | 1/4 | UC | 307-20 : kuv | |||||||||||||||||||||||||
307-22 : kuv | 1 | 3/8 | 5 | 5/16 | 3 | 15/16 | 25/32 ib | 5/8 | 1 | 13/32 ib | 3/4 | 1 | 15/16 | 1.8897 ib | 0.7480 ib | M16 | 5/8 | 307-22 : kuv | F | 307 | 2.20 | |||||||||
307 | 35 | 135 | 100 | 20 | 16 | 36 | 19 | 49 | 48 | 19 | 307 | |||||||||||||||||||
307-23 : kuv | 1 | 7/16 | 307-23 : kuv | |||||||||||||||||||||||||||
UCF | 308-24 : kuv | 1 | 1/2 | 5 | 29/32 ib | 4 | 13/32 ib | 29/32 ib | 21/32 ib | 1 | 9/16 | 3/4 | 2 | 7/32 ib | 2.0472 ib | 0.7480 ib | M16 | 5/8 | UC | 308-24 : kuv | F | 308 | 3.0 | |||||||
308 | 40 | 150 | 112 | 23 | 17 | 40 | 19 | 56 | 52 | 19 | 308 | |||||||||||||||||||
UCF | 309-28 : kuv | 1 | 3/4 | 6 | 5/16 | 4 | 59/64 ib | 63/64 ib | 23/32 ib | 1 | 23/32 ib | 3/4 | 2 | 3/8 | 2.2441 ib | 0.8661 ib | M16 | 5/8 | UC | 309-28 : kuv | F | 309 | 3.8 | |||||||
309 | 45 | 160 | 125 | 25 | 18 | 44 | 19 | 60 | 51 | 22 | 309 | |||||||||||||||||||
UCF | 310-31 : kuv | 1 | 15/16 | 6 | 7/8 | 5 | 13/64 ib | 1 | 7/64 ib | 3/4 | 1 | 7/8 | 29/32 ib | 2 | 5/8 | 2.7015 ib | 0.8661 ib | UC | 310-31 : kuv | |||||||||||
310 | 50 | 175 | 132 | 28 | 19 | 48 | 23 | 67 | 61 | 22 | M20 | 3/4 | 310 | F | 310 | 4.9 | ||||||||||||||
310-32 : kuv | 2 | 310-32 : kuv | ||||||||||||||||||||||||||||
UCF | 311-32 : kuv | 2 | 7 | 9/32 ib | 1 | 3/16 | 1 | 3/16 | 25/32 ib | 2 | 1/16 | 29/32 ib | 2 | 25/32 ib | 2.5984 ib | 0.9842 ib | M20 | 3/4 | UC | 311-32 : kuv | F | 311 | 5.6 | |||||||
311 | 55 | 185 | 140 | 30 | 20 | 52 | 23 | 71 | 66 | 25 | 311 | |||||||||||||||||||
UCF | 312 | 60 | 7 | 11/16 | 5 | 9/32 ib | 1 | 19/64 ib | 7/8 | 2 | 7/32 ib | 29/32 ib | 3 | 1/16 | 2.7953 ib | 1.0236 ib | M20 | 3/4 | UC | 312 | F | 312 | 6.8 | |||||||
312-36 : kuv | 2 | 1/4 | 195 | 150 | 33 | 22 | 56 | 23 | 78 | 71 | 26 | 312-36 : kuv | ||||||||||||||||||
UCF | 313-40 : kuv | 2 | 1/2 | 8 | 3/16 | 6 | 17/32 ib | 1 | 19/64 ib | 7/8 | 2 | 9/32 ib | 29/32 ib | 3 | 1/16 | 2.9528 ib | 1.1811 Nws | M20 | 3/4 | UC | 313-40 : kuv | F | 313 | 7.8 ib | ||||||
313 | 65 | 208 | 166 | 33 | 22 | 58 | 23 | 78 | 75 | 30 | 313 | |||||||||||||||||||
UCF | 314-44 : kuv | 3/4 | 8 | 29/32 ib | 7 | 1/16 | 1 | 27/64 ib | 1 | 2 | 13/32 ib | 63/64 ib | 3 | 3/16 | 3.0709 ib | 1.2990 Nws | M22 | 7/8 | UC | 314-44 : kuv | F | 314 | 9.8 ib | |||||||
314 | 70 | 226 | 178 | 36 | 25 | 61 | 25 | 81 | 78 | 33 | 314 | |||||||||||||||||||
UCF | 315 | 75 | 9 | 9/32 ib | 7 | 1/4 | 1 | 17/32 ib | 1 | 2 | 19/32 ib | 63/64 ib | 3 | 1/2 | 3.2283 ib | 1.2598 Nws | UC | 315 | ||||||||||||
315-47 : kuv | 2 | 15/16 | 236 | 184 | 39 | 25 | 66 | 25 | 89 | 82 | 32 | M22 | 7/8 | 315-47 : kuv | F | 315 | 11.6 | |||||||||||||
315-48 : kuv | 3 | 315-48 : kuv | ||||||||||||||||||||||||||||
UCF | 316 | 80 | 9 | 27/32 ib | 7 | 23/32 ib | 1 | 17/32 ib | 1 | 1/16 | 2 | 11/16 | 1 | 7/32 ib | 19/32 ib | 3.3858 ib | 1.3386 ib | M27 | 1 | UC | 316 | F | 316 | 13.2 | ||||||
316-50 : kuv | 3 | 1/8 | 250 | 196 | 39 | 27 | 68 | 31 | 91 | 86 | 34 | 316-50 : kuv | ||||||||||||||||||
UCF | 317 | 85 | 10 | 1/4 | 8 | 1/32 ib | 1 | 47/64 ib | 1 | 1/16 | 2 | 29/32 ib | 1 | 7/32 ib | 3 | 15/16 | 3.7795 ib | 1.5748 ib | M27 | 1 | UC | 317 | F | 317 | 15.2 | |||||
260 | 204 | 44 | 27 | 74 | 31 | 100 | 96 | 40 | ||||||||||||||||||||||
UCF | 318-56 : kuv | 3 | 1/2 | 11 | 1/32 ib | 8 | 1/2 | 1 | 47/64 ib | 1 | 3/16 | 3 | 1 | 3/8 | 3 | 15/16 | 3.7795 ib | 1.5748 ib | M30 | 1 1/8 | UC | 318-56 : kuv | F | 318 | 18.8 ib | |||||
318 | 90 | 280 | 216 | 44 | 30 | 76 | 35 | 100 | 96 | 40 | 318 | |||||||||||||||||||
UCF | 319 | 95 | 11 | 13/32 ib | 8 | 31/32 ib | 2 | 21/64 ib | 1 | 3/16 | 3 | 11/16 | 1 | 3/8 | 4 | 3/4 | 4.0551 | 1.6142 ib | M30 | 1 1/8 | UC | 319 | F | 319 | 21.1 | |||||
290 | 228 | 59 | 30 | 94 | 35 | 121 | 103 | 41 | ||||||||||||||||||||||
UCF | 320 | 100 | 12 | 7/32 ib | 9 | 17/32 ib | 2 | 21/64 ib | 1 | 1/4 | 3 | 11/16 | 1 | 1/2 | 4 | 29/32 ib | 4.2519 ib | 1.6535 ib | M33 | 1 1/4 | UC | 320 | F | 321 | 25.3 | |||||
320-64 : kuv | 4 | 310 | 242 | 59 | 32 | 94 | 38 | 125 | 108 | 42 | 320-64 : kuv | |||||||||||||||||||
UCF | 322 | 110 | 13 | 3/8 | 10 | 15/32 ib | 2 | 21/64 ib | 1 | 1/4 | 3 | 11/16 | 1 | 39/64 ib | 5 | 5/32 | 4.606 3 | 1.8110 Nws | M36 | 13/8 | UC | 322 | F | 322 | 35.0 Nws | |||||
340 | 266 | 60 | 35 | 96 | 41 | 131 | 117 | 46 | ||||||||||||||||||||||
UCF | 324 | 120 | 14 | 9/16 | 11 | 27/64 ib | 29/16 ib | 19/16 | 4 | 11/32 ib | 5 | 1/2 | 51/2 | 4.9606 ib | 2.0079 ib | M36 | 13/8 | UC | 324 | F | 324 | 47.2 ib | ||||||||
370 | 290 | 65 | 40 | 110 | 41 | 140 | 126 | 51 | ||||||||||||||||||||||
UCF | 326 | 130 | 16 | 5/32 | 12 | 19/32 ib | 29/16 ib | 1 | 25/32 ib | 4 | 17/32 ib | 1 | 39/64 ib | 5 | 3/4 | 5, 3150 | 2.1260 Nws | M36 | 13/8 | UC | 326 | F | 324 | 64.1 ib | ||||||
410 | 320 | 65 | 45 | 115 | 41 | 146 | 135 | 54 | ||||||||||||||||||||||
UCF | 328 | 140 | 17 | 23/32 ib | 13 | 25/32 ib | 2 | 61/64 ib | 25/32 ib | 4 | 29/32 ib | 1 | 39/64 ib | 6 | 11/32 ib | 5.7086 ib | 2.3228 ib | M36 | 13/8 | UC | 328 | F | 328 | 90.2 ib | ||||||
450 | 350 | 75 | 55 | 125 | 41 | 161 | 145 | 59 | ||||||||||||||||||||||
UCF | 201 | 12 | 3 | 3/8 | 2 | 33/64 ib | 19/32 ib | 15/32 ib | 1 | 15/32 ib | 1 | 5/16 | 1.2205 Nws | 0.5000 | M10 | 3/8 | UC | 201 | F | 201 | 0.62 ib | |||||||||
201-8 | 1/2 | 86 | 64 | 15 | 12 | 25.5 ib | 12 | 33.3 | 31 | 12.7 ib | 201-8 | |||||||||||||||||||
UCF | 202 | 15 | 3 | 3/8 | 2 | 33/64 ib | 19/32 ib | 15/32 ib | 1 | 15/32 ib | 1 | 5/16 | 1.2205 Nws | 0.5000 | M10 | 3/8 | UC | 202 | F | 202 | 0.60 ib | |||||||||
202-10 : kuv | 5/8 | 86 | 64 | 15 | 12 | 25.5 ib | 12 | 33.3 | 33.3 | 12.7 ib | 202-10 : kuv | |||||||||||||||||||
UCF | 203 | 17 | 3 | 3/8 | 2 | 33/64 ib | 19/32 ib | 15/32 ib | 1 | 15/32 ib | 1 | 5/16 | 1.2205 Nws | 0.5000 | M10 | 3/8 | UC | 203 | F | 203 | 0.58 ib | |||||||||
203-11 : kuv | 11/16 | 86 | 64 | 15 | 12 | 25.5 ib | 12 | 33.3 | 33.3 | 12.7 ib | 203-11 : kuv | |||||||||||||||||||
UCF | 204-12 : kuv | 3/4 | 3 | 3/8 | 2 | 33/64 ib | 19/32 ib | 15/32 ib | 1 | 15/32 ib | 1 | 5/16 | 1.2205 Nws | 0.5000 | M10 | 3/8 | UC | 204-12 : kuv | F | 204 | 0.57 ib | |||||||||
204 | 20 | 86 | 64 | 15 | 12 | 25.5 ib | 12 | 33.3 | 33.3 | 12.7 ib | 204 | |||||||||||||||||||
UCF | 205-14 : kuv | 7/8 | 250-14 : kuv | |||||||||||||||||||||||||||
205-15 : kuv | 15/16 | 3 | 3/4 | 2 | 3/4 | 5/8 | 9/16 | 1 | 1/16 | 15/32 ib | 1 | 13/32 ib | 1, 3425 | 1.3386 ib | M10 | 3/8 | UC | 205-15 : kuv | ||||||||||||
205 | 25 | 95 | 70 | 16 | 14 | 27 | 12 | 35.8 ib | 34.1 ib | 34 | 205 | F | 205 | 0.73 ib | ||||||||||||||||
205-16 : kuv | 1 | 205-16 : kuv | ||||||||||||||||||||||||||||
UCF | 206-18 : kuv | 1 | 1/8 | 206-18 : kuv | ||||||||||||||||||||||||||
206 | 30 | 4 | 1/4 | 3 | 17/64 ib | 45/64 ib | 9/16 | 1 | 7/32 ib | 15/32 ib | 1 | 19/32 ib | 1.5000 Nws | 1.5000 Nws | M10 | 3/8 | UC | 206 | F | 206 | 1.05 Nws | |||||||||
206-19 : kuv | 1 | 3/16 | 108 | 83 | 18 | 14 | 31 | 12 | 40.2 ib | 38.10 Nws | 38.1 ib | 206-19 : kuv | ||||||||||||||||||
206-20 : kuv | 1 | 1/4 | 206-20 : kuv | |||||||||||||||||||||||||||
UCF | 207-20 : kuv | 1 | 1/4 | 207-20 : kuv | ||||||||||||||||||||||||||
207-21 : kuv | 1 | 5/16 | 4 | 19/32 ib | 3 | 5/8 | 3/4 | 5/8 | 1 | 11/32 ib | 35/64 ib | 1 | 3/4 | 1.6890 ib | 0.6890 ib | M12 | 7/16 | UC | 207-21 : kuv | |||||||||||
207-22 : kuv | 1 | 3/8 | 117 | 92 | 19 | 16 | 34 | 14 | 44.4 ib | 42.9 ib | 17.5 Nws | 207-22 : kuv | F | 207 | 1.32 ib | |||||||||||||||
207 | 35 | 207 | ||||||||||||||||||||||||||||
207-23 : kuv | 1 | 7/16 | 207-23 : kuv | |||||||||||||||||||||||||||
UCF | 208-24 : kuv | 1 | 1/2 | 3 | 3/8 | 4 | 1/64 ib | 13/16 | 5/8 | 1 | 27/64 ib | 5/8 | 2 | 1/32 ib | 1.9370 ib | 0.7480 ib | UC | 208-24 : kuv | ||||||||||||
208-25 : kuv | 1 | 9/16 | 86 | 102 | 21 | 16 | 36 | 16 | 51.2 ib | 49.2 ib | 19.0 Nws | M14 | 1/2 | 208-25 : kuv | F | 208 | 1.75 ib | |||||||||||||
208 | 40 | 208 | ||||||||||||||||||||||||||||
UCF | 209-26 : kuv | 1 | 5/8 | 209-26 : kuv | ||||||||||||||||||||||||||
209-27 : kuv | 1 | 11/16 | 5 | 13/32 ib | 4 | 9/64 ib | 55/64 ib | 23/32 ib | 1 | 1/2 | 5/8 | 2 | 1/16 | 1.9370 ib | 0.7480 ib | M14 | 1/2 | UC | 209-27 : kuv | F | 209 | 1.98 ib | ||||||||
209-28 : kuv | 1 | 3/4 | 137 | 105 | 22 | 18 | 38 | 16 | 52.2 ib | 49.2 ib | 19.0 Nws | 209-28 : kuv | ||||||||||||||||||
209 | 45 | 209 | ||||||||||||||||||||||||||||
UCF | 210-30 : kuv | 1 | 7/8 | UC | 210-30 : kuv | |||||||||||||||||||||||||
210-31 : kuv | 1 | 15/16 | 5 | 5/8 | 4 | 3/8 | 55/64 ib | 23/32 ib | 1 | 9/16 | 5/8 | 2 | 5/32 | 2, 0315 | 0.7480 ib | M14 | 1/2 | 210-31 : kuv | F | 210 | 2.27 | |||||||||
210 | 50 | 143 | 111 | 22 | 18 | 40 | 16 | 54.6 ib | 51.6 ib | 19.0 Nws | 210 | |||||||||||||||||||
210-32 : kuv | 2 | 210-32 : kuv | ||||||||||||||||||||||||||||
UCF | 211-32 : kuv | 2 | UC | 211-32 : kuv | ||||||||||||||||||||||||||
211-34 : kuv | 2 | 1/8 | 6 | 3/8 | 5 | 1/8 | 1 | 25/32 ib | 1 | 11/16 | 3/4 | 2 | 5/16 | 2.1890 Nws | 0.8740 ib | M16 | 5/8 | 211-34 : kuv | F | 211 | 2.98 ib | |||||||||
211 | 55 | 162 | 130 | 25 | 20 | 43 | 19 | 58.4 ib | 55.6 ib | 22.2 | 211 | |||||||||||||||||||
211-35 : kuv | 2 | 3/16 | 211-35 : kuv | |||||||||||||||||||||||||||
UCF | 212-32 : kuv | 2 | 1/4 | UC | 212-32 : kuv | |||||||||||||||||||||||||
212 | 60 | 6 | 7/8 | 5 | 5/8 | 1 | 9/64 ib | 25/32 ib | 1 | 7/8 | 3/4 | 2 | 23/32 ib | 2.5630 Nws | 1.0000 | M16 | 5/8 | 212 | F | 212 | 3.75 ib | |||||||||
212-38 : kuv | 2 | 3/8 | 175 | 143 | 29 | 20 | 48 | 19 | 68.7 ib | 65.1 ib | 25.4 ib | 212-38 : kuv | ||||||||||||||||||
212-39 : kuv | 2 | 7/16 | 212-39 : kuv | |||||||||||||||||||||||||||
UCF | 213-40 : kuv | 2 | 1/2 | 7 | 3/8 | 5 | 55/64 ib | 1 | 3/16 | 25/32 ib | 1 | 31/32 ib | 3/4 | 2 | 3/4 | 2.5630 Nws | 1.0000 | M16 | 5/8 | UC | 213-40 : kuv | F | 213 | 4.92 ib | ||||||
213 | 65 | 187 | 149 | 30 | 20 | 50 | 19 | 69.7 ib | 65.1 ib | 25.4 ib | 213 | |||||||||||||||||||
UCF | 214-44 : kuv | 2 | 3/4 | 7 | 19/32 ib | 5 | 63/64 ib | 1 | 7/32 ib | 15/16 | 2 | 1/8 | 3/4 | 2 | 31/32 ib | 2.9370 ib | 1.1890 Nws | M16 | 5/8 | UC | 214-44 : kuv | F | 214 | 5.22 | ||||||
214 | 70 | 193 | 152 | 31 | 24 | 54 | 19 | 75.4 ib | 74.6 ib | 30.2 ib | 214 | |||||||||||||||||||
UCF | 215 | 75 | 7 | 7/8 | 6 | 17/64 ib | 1 | 11/32 ib | 15/16 | 2 | 7/32 ib | 3/4 | 3 | 3/22 | 3.0630 ib | 1.3110 Nws | UC | 215 | ||||||||||||
215-47 : kuv | 2 | 15/16 | 200 | 159 | 34 | 24 | 56 | 19 | 78.5 ib | 77.8 ib | 33.3 | M16 | 5/8 | 215-47 : kuv | F | 215 | 5.70 ib | |||||||||||||
215-48 : kuv | 3 | 215-48 : kuv | ||||||||||||||||||||||||||||
UCF | 216 | 80 | 8 | 3/16 | 6 | 1/2 | 1 | 11/32 ib | 15/16 | 2 | 7/32 ib | 3/7 | 3 | 32 | 3.2520 Nws | 1.3110 Nws | M20 | 3/4 | UC | 216 | F | 216 | 6.7 | |||||||
216-50 : kuv | 3 | 1/8 | 208 | 165 | 34 | 24 | 56 | 19 | 78 | 82.6 ib | 33.3 | 216-50 : kuv | ||||||||||||||||||
UCF | 217-52 : kuv | 3 | 1/4 | 8 | 21/32 ib | 6 | 57/64 ib | 1 | 27/64 ib | 1 | 1/32 ib | 2 | 15/32 ib | 29/32 ib | 3 | 7/16 | 3.3740 ib | 1, 3425 | M20 | 3/4 | UC | 217-52 : kuv | F | 217 | 8.4 | |||||
217 | 85 | 220 | 36 | 36 | 26 | 63 | 23 | 87.6 ib | 85.7 ua | 34.1 ib | 217 | |||||||||||||||||||
UCF | 218-56 : kuv | 3 | 1/2 | 9 | 1/4 | 7 | 23/64 ib | 1 | 37/64 ib | 1 | 1/32 ib | 2 | 11/16 | 29/32 ib | 3 | 25/32 ib | 3.7793 ib | 1.5630 Nws | M20 | 3/4 | UC | 218-56 : kuv | F | 218 | 9.7 ib | |||||
218 | 90 | 235 | 187 | 40 | 26 | 68 | 23 | 96.3 ib | 96.0 ua | 39.7 ib | 218 |
Peb tau cog lus los ua kom yooj yim, txuag sij hawm thiab txuag nyiaj ib-nres kev yuav khoom txhawb nqa ntawm cov neeg siv khoom rau 2019 Zoo Zoo Tuam Tshoj Ucf Series Cov Kabmob / Textile Bearings / Mounted Bearing (UCF200 UCF300 UCF X00), Koj qhov kev nug yuav ua tau zoo heev. zoo siab txais tos thiab tseem muaj kev vam meej kev vam meej yog qhov peb xav tau.
2019 Zoo Zoo Tuam Tshoj Ucf Series Cov Kabmob, Textile Bearings, Peb tau mob siab rau koom tes nrog cov tuam txhab txawv teb chaws uas saib xyuas ntau yam ntawm cov khoom zoo, ruaj khov, muaj peev xwm thiab kev pabcuam zoo.Peb tuaj yeem nthuav qhia tus nqi sib tw tshaj plaws nrog cov khoom zoo, vim tias peb muaj ntau yam kev txawj ntse.Koj txais tos tuaj xyuas peb lub tuam txhab txhua lub sijhawm.