Basic Info.
Rolling Body
Roller Bearings
The Number of Rows
Single
Outer Dimension
Small and Medium-Sized (60-115mm)
Spherical
Non-Aligning Bearings
Load Direction
Axial Bearing
Product Description
SDSXJ Spherical Roller Bearing 22260cc/W33
why choose us
1.we are factory , not trading company ,
so can control all the process from production to sell , after-sale.
2.salt-bath and oil two kinds of heat-treatment for your choice
3.ISO9001 Quality Management System Certification
4, competitive prices + fast lead time +large stock + good quality control
+ better after-sale service
5, professional tenechical department service to sales department ,
fully understand your technical request .
Tapered Roller(Rolling) Bearings
30200, 30300, 32200, 32300, 31300, 32000, 32900, 33000, 33100, 33200 and inch Series
Some data for your better reference:
33005 | mm | 47.000 | 25.000 | 17.000 | 14.000 | 17.000 | 1.7 | 1.3 | 32.5 | 42.5 |
in | 1.850 | 0.984 | 0.669 | 0.551 | 0.669 | 0.067 | 0.051 |
33006 | mm | 55.000 | 30.000 | 20.000 | 16.000 | 20.000 | 2.5 | 1.9 | 43.7 | 58.8 |
in | 2.165 | 1.181 | 0.787 | 0.630 | 0.787 | 0.098 | 0.075 |
33007 | mm | 62.000 | 35.000 | 21.000 | 17.000 | 21.000 | 2.5 | 1.9 | 46.9 | 63.6 |
in | 2.441 | 1.378 | 0.827 | 0.669 | 0.827 | 0.098 | 0.075 |
33008 | mm | 68.000 | 40.000 | 22.000 | 18.000 | 22.000 | 2.5 | 1.9 | 60.2 | 79.6 |
in | 2.677 | 1.575 | 0.866 | 0.709 | 0.866 | 0.098 | 0.075 |
33009 | mm | 75.000 | 45.000 | 24.000 | 19.000 | 24.000 | 2.5 | 1.9 | 72.6 | 100.4 |
in | 2.953 | 1.772 | 0.945 | 0.748 | 0.945 | 0.098 | 0.075 |
33010 | mm | 80.000 | 50.000 | 24.000 | 19.000 | 24.000 | 2.5 | 1.9 | 76.8 | 110.9 |
in | 3.150 | 1.969 | 0.945 | 0.748 | 0.945 | 0.098 | 0.075 |
33011 | mm | 90.000 | 55.000 | 27.000 | 21.000 | 27.000 | 3.0 | 2.3 | 94.9 | 144.7 |
in | 3.543 | 2.165 | 1.063 | 0.827 | 1.063 | 0.118 | 0.091 |
33012 | mm | 95.000 | 60.000 | 27.000 | 21.000 | 27.000 | 3.0 | 2.3 | 96.7 | 151.1 |
in | 3.740 | 2.362 | 1.063 | 0.827 | 1.063 | 0.118 | 0.091 |
33013 | mm | 100.000 | 65.000 | 27.000 | 21.000 | 27.000 | 3.0 | 2.3 | 98.2 | 157.7 |
in | 3.937 | 2.559 | 1.063 | 0.827 | 1.063 | 0.118 | 0.091 |
33014 | mm | 110.000 | 70.000 | 31.000 | 25.500 | 31.000 | 3.0 | 2.3 | 134.4 | 220.4 |
in | 4.331 | 2.756 | 1.220 | 1.004 | 1.220 | 0.118 | 0.091 |
33015 | mm | 115.000 | 75.000 | 31.000 | 25.500 | 31.000 | 3.0 | 2.3 | 133.1 | 221.2 |
in | 4.528 | 2.953 | 1.220 | 1.004 | 1.220 | 0.118 | 0.091 |
33016 | mm | 125.000 | 80.000 | 36.000 | 29.500 | 36.000 | 3.0 | 2.8 | 181.9 | 304.3 |
in | 4.921 | 3.150 | 1.417 | 1.161 | 1.417 | 0.118 | 0.110 |
33017 | mm | 130.000 | 85.000 | 36.000 | 29.500 | 36.000 | 3.0 | 2.8 | 180.4 | 305.5 |
in | 5.118 | 3.346 | 1.417 | 1.161 | 1.417 | 0.118 | 0.110 |
33018 | mm | 140.000 | 90.000 | 39.000 | 32.500 | 39.000 | 4.0 | 2.8 | 232.6 | 388.6 |
in | 5.512 | 3.543 | 1.535 | 1.280 | 1.535 | 0.157 | 0.110 |
33019 | mm | 145.000 | 95.000 | 39.000 | 32.500 | 39.000 | 4.0 | 2.8 | 231 | 389.9 |
in | 5.709 | 3.740 | 1.535 | 1.280 | 1.535 | 0.157 | 0.110 |
33020 | mm | 150.000 | 100.000 | 39.000 | 32.500 | 39.000 | 4.0 | 2.8 | 229.5 | 391.2 |
in | 5.906 | 3.937 | 1.535 | 1.280 | 1.535 | 0.157 | 0.110 |
33021 | mm | 160.000 | 105.000 | 43.000 | 34.000 | 43.000 | 5.0 | 3.5 | 257.4 | 437.4 |
in | 6.299 | 4.134 | 1.693 | 1.339 | 1.693 | 0.197 | 0.138 |
33022 | mm | 170.000 | 110.000 | 47.000 | 37.000 | 47.000 | 5.0 | 3.5 | 288.7 | 502.7 |
in | 6.693 | 4.331 | 1.850 | 1.457 | 1.850 | 0.197 | 0.138 |
33024 | mm | 180.000 | 120.000 | 48.000 | 38.000 | 48.000 | 5.0 | 3.5 | 298.2 | 535.1 |
in | 7.087 | 4.724 | 1.890 | 1.496 | 1.890 | 0.197 | 0.138 |
33026 | mm | 200.000 | 130.000 | 55.000 | 43.000 | 55.000 | 5.5 | 3.5 | 400.6 | 727.4 |
in | 7.874 | 5.118 | 2.165 | 1.693 | 2.165 | 0.217 | 0.138 |
33028 | mm | 210.000 | 140.000 | 56.000 | 44.000 | 56.000 | 5.5 | 3.5 | 407 | 755.5 |
in | 8.268 | 5.512 | 2.205 | 1.732 | 2.205 | 0.217 | 0.138 |
33030 | mm | 225.000 | 150.000 | 59.000 | 46.000 | 59.000 | 6.5 | 4.0 | 461.2 | 873.8 |
in | 8.858 | 5.906 | 2.323 | 1.811 | 2.323 | 0.256 | 0.157 |
33108 | mm | 75.000 | 40.000 | 26.000 | 20.500 | 26.000 | 3.0 | 2.3 | 84.7 | 110.3 |
in | 2.953 | 1.575 | 1.024 | 0.807 | 1.024 | 0.118 | 0.091 |
33109 | mm | 80.000 | 45.000 | 26.000 | 20.500 | 26.000 | 3.0 | 2.3 | 87.1 | 117.2 |
in | 3.150 | 1.772 | 1.024 | 0.807 | 1.024 | 0.118 | 0.091 |
33110 | mm | 85.000 | 50.000 | 26.000 | 20.000 | 26.000 | 3.0 | 2.3 | 89.3 | 124.1 |
in | 3.346 | 1.969 | 1.024 | 0.787 | 1.024 | 0.118 | 0.091 |
33111 | mm | 95.000 | 55.000 | 30.000 | 23.000 | 30.000 | 3.0 | 2.3 | 114.5 | 164.8 |
in | 3.740 | 2.165 | 1.181 | 0.906 | 1.181 | 0.118 | 0.091 |
33112 | mm | 100.000 | 60.000 | 30.000 | 23.000 | 30.000 | 3.0 | 2.3 | 117.1 | 173.2 |
in | 3.937 | 2.362 | 1.181 | 0.906 | 1.181 | 0.118 | 0.091 |
33113 | mm | 110.000 | 65.000 | 34.000 | 26.500 | 34.000 | 3.0 | 2.3 | 142.8 | 220.4 |
in | 4.331 | 2.559 | 1.339 | 1.043 | 1.339 | 0.118 | 0.091 |
33114 | mm | 120.000 | 70.000 | 37.000 | 29.000 | 37.000 | 4.0 | 2.3 | 172.1 | 267 |
in | 4.724 | 2.756 | 1.457 | 1.142 | 1.457 | 0.157 | 0.091 |
33115 | mm | 125.000 | 75.000 | 37.000 | 29.000 | 37.000 | 4.0 | 2.8 | 176.1 | 279.6 |
in | 4.921 | 2.953 | 1.457 | 1.142 | 1.457 | 0.157 | 0.110 |
33116 | mm | 130.000 | 80.000 | 37.000 | 29.000 | 37.000 | 4.0 | 2.8 | 179.6 | 292.3 |
in | 5.118 | 3.150 | 1.457 | 1.142 | 1.457 | 0.157 | 0.110 |
33117 | mm | 140.000 | 85.000 | 41.000 | 32.000 | 41.000 | 5.0 | 3.5 | 215.3 | 353.1 |
in | 5.512 | 3.346 | 1.614 | 1.260 | 1.614 | 0.197 | 0.138 |
33118 | mm | 150.000 | 90.000 | 45.000 | 35.000 | 45.000 | 5.0 | 3.5 | 252.1 | 414.7 |
in | 5.906 | 3.543 | 1.772 | 1.378 | 1.772 | 0.197 | 0.138 |
33119 | mm | 160.000 | 95.000 | 49.000 | 38.000 | 49.000 | 5.0 | 3.5 | 298.9 | 498.2 |
in | 6.299 | 3.740 | 1.929 | 1.496 | 1.929 | 0.197 | 0.138 |
33120 | mm | 165.000 | 100.000 | 52.000 | 40.000 | 52.000 | 5.0 | 3.5 | 309.4 | 529.2 |
in | 6.496 | 3.937 | 2.047 | 1.575 | 2.047 | 0.197 | 0.138 |
33121 | mm | 175.000 | 105.000 | 56.000 | 44.000 | 56.000 | 5.0 | 3.5 | 351.8 | 607.8 |
in | 6.890 | 4.134 | 2.205 | 1.732 | 2.205 | 0.197 | 0.138 |
33122 | mm | 180.000 | 110.000 | 56.000 | 43.000 | 56.000 | 5.0 | 3.5 | 373.2 | 639.1 |
in | 7.087 | 4.331 | 2.205 | 1.693 | 2.205 | 0.197 | 0.138 |
33124 | mm | 200.000 | 120.000 | 62.000 | 48.000 | 62.000 | 5.0 | 3.5 | 448.2 | 779.1 |
in | 7.874 | 4.724 | 2.441 | 1.890 | 2.441 | 0.197 | 0.138 |
33205 | mm | 52.000 | 25.000 | 22.000 | 18.000 | 22.000 | 2.5 | 1.9 | 47.1 | 55.8 |
in | 2.047 | 0.984 | 0.866 | 0.709 | 0.866 | 0.098 | 0.075 |
332/28 | mm | 58.000 | 28.000 | 24.000 | 19.000 | 24.000 | 2.5 | 1.9 | 58 | 68.3 |
in | 2.283 | 1.102 | 0.945 | 0.748 | 0.945 | 0.098 | 0.075 |
33206 | mm | 62.000 | 30.000 | 25.000 | 19.500 | 25.000 | 2.5 | 1.9 | 63.8 | 75.3 |
in | 2.441 | 1.181 | 0.984 | 0.768 | 0.984 | 0.098 | 0.075 |
332/32 | mm | 65.000 | 32.000 | 26.000 | 20.500 | 26.000 | 2.5 | 1.9 | 68.8 | 82.2 |
in | 2.559 | 1.260 | 1.024 | 0.807 | 1.024 | 0.098 | 0.075 |
33207 | mm | 72.000 | 35.000 | 28.000 | 22.000 | 28.000 | 3.0 | 2.3 | 82.6 | 101.7 |
in | 2.835 | 1.378 | 1.102 | 0.866 | 1.102 | 0.118 | 0.091 |
33208 | mm | 80.000 | 40.000 | 32.000 | 25.000 | 32.000 | 3.0 | 2.3 | 106.1 | 136.1 |
in | 3.150 | 1.575 | 1.260 | 0.984 | 1.260 | 0.118 | 0.091 |
33209 | mm | 85.000 | 45.000 | 32.000 | 25.000 | 32.000 | 3.0 | 2.3 | 109.5 | 145.1 |
in | 3.346 | 1.772 | 1.260 | 0.984 | 1.260 | 0.118 | 0.091 |
33210 | mm | 90.000 | 50.000 | 32.000 | 24.500 | 32.000 | 3.0 | 2.3 | 112.9 | 154.6 |
in | 3.543 | 1.969 | 1.260 | 0.965 | 1.260 | 0.118 | 0.091 |
33211 | mm | 100.000 | 55.000 | 35.000 | 27.000 | 35.000 | 4.0 | 2.3 | 143.6 | 197.6 |
in | 3.937 | 2.165 | 1.378 | 1.063 | 1.378 | 0.157 | 0.091 |
33212 | mm | 110.000 | 60.000 | 38.000 | 29.000 | 38.000 | 4.0 | 2.3 | 165.8 | 231.4 |
in | 4.331 | 2.362 | 1.496 | 1.142 | 1.496 | 0.157 | 0.091 |
33213 | mm | 120.000 | 65.000 | 32.000 | 41.000 | 41.000 | 4.0 | 2.3 | 202.2 | 281.6 |
in | 4.724 | 2.559 | 1.260 | 1.614 | 1.614 | 0.157 | 0.091 |
33214 | mm | 125.000 | 70.000 | 41.000 | 32.000 | 41.000 | 4.0 | 2.8 | 208.6 | 298.3 |
in | 4.921 | 2.756 | 1.614 | 1.260 | 1.614 | 0.157 | 0.110 |
33215 | mm | 130.000 | 75.000 | 41.000 | 31.000 | 41.000 | 4.0 | 2.8 | 207.1 | 299.7 |
in | 5.118 | 2.953 | 1.614 | 1.220 | 1.614 | 0.157 | 0.110 |
33216 | mm | 140.000 | 80.000 | 46.000 | 35.000 | 46.000 | 5.0 | 3.5 | 245.7 | 361.8 |
in | 5.512 | 3.150 | 1.811 | 1.378 | 1.811 | 0.197 | 0.138 |
33217 | mm | 150.000 | 85.000 | 49.000 | 37.000 | 49.000 | 5.0 | 3.5 | 281.7 | 415.7 |
in | 5.906 | 3.346 | 1.929 | 1.457 | 1.929 | 0.197 | 0.138 |
33218 | mm | 160.000 | 90.000 | 55.000 | 42.000 | 55.000 | 5.0 | 3.5 | 330.6 | 499.7 |
in | 6.299 | 3.543 | 2.165 | 1.654 | 2.165 | 0.197 | 0.138 |
33219 | mm | 170.000 | 95.000 | 58.000 | 44.000 | 58.000 | 5.5 | 4.0 | 377.2 | 568.4 |
in | 6.693 | 3.740 | 2.283 | 1.732 | 2.283 | 0.217 | 0.157 |
33220 | mm | 180.000 | 100.000 | 63.000 | 48.000 | 63.000 | 5.5 | 4.0 | 436.5 | 666.2 |
in | 7.087 | 3.937 | 2.480 | 1.890 | 2.480 | 0.217 | 0.157 |
33221 | mm | 190.000 | 105.000 | 68.000 | 52.000 | 68.000 | 5.5 | 4.0 | 497.8 | 770.7 |
in | 7.480 | 4.134 | 2.677 | 2.047 | 2.677 | 0.217 | 0.157 |
| | | | | | | | | | |
038KC68 | mm | 68.000 | 38.500 | 16.500 | 15.000 | 18.250 | 4.000 | 2.300 | 43.9 | 55.3 |
in | 2.677 | 1.516 | 0.650 | 0.591 | 0.719 | 0.157 | 0.091 |
513-716A | mm | 63.000 | 38.000 | 17.000 | 13.500 | 17.000 | 4.000 | 2.300 | 43.9 | 55.3 |
in | 2.480 | 1.496 | 0.669 | 0.531 | 0.669 | 0.157 | 0.091 |
DTP2074 | mm | 76.000 | 42.000 | 27.500 | 19.800 | 23.800 | 3.200 | 1.400 | 76.9 | 101.6 |
in | 2.992 | 1.654 | 1.083 | 0.780 | 0.937 | 0.126 | 0.055 |
HTFR25-33g | mm | 52.000 | 25.000 | 15.000 | 13.000 | 16.250 | 2.500 | 1.900 | 35.4 | 39.3 |
in | 2.047 | 0.984 | 0.591 | 0.512 | 0.640 | 0.098 | 0.075 |
HTFR30-50g | mm | 68.000 | 30.000 | 25.000 | 18.000 | 25.000 | 2.400 | 2.100 | 38.1 | 51.7 |
in | 2.677 | 1.181 | 0.984 | 0.709 | 0.984 | 0.094 | 0.083 |
JL69349(A)/10 | mm | 63.000 | 38.000 | 17.000 | 13.500 | 17.000 | 2.200 | 1.900 | 38.1 | 51.7 |
in | 2.480 | 1.496 | 0.669 | 0.531 | 0.669 | 0.087 | 0.075 |
JL819349/10 | mm | 135.000 | 95.000 | 20.000 | 14.000 | 20.000 | 6.300 | 3.100 | 82.4 | 146.2 |
in | 5.315 | 3.740 | 0.787 | 0.551 | 0.787 | 0.248 | 0.122 |
JLM104948/10 | mm | 82.000 | 50.000 | 21.500 | 17.000 | 21.500 | 3.900 | 1.100 | 70.5 | 95.3 |
in | 3.228 | 1.969 | 0.846 | 0.669 | 0.846 | 0.154 | 0.043 |
JLM506849/10-PN | mm | 90.000 | 55.000 | 23.000 | 18.500 | 23.000 | 2.800 | 1.100 | 81.5 | 113.9 |
in | 3.543 | 2.165 | 0.906 | 0.728 | 0.906 | 0.110 | 0.043 |
JLM710949C/10-PN | mm | 105.000 | 65.000 | 23.000 | 18.500 | 24.000 | 4.300 | 1.600 | 93.9 | 127.4 |
in | 4.134 | 2.559 | 0.906 | 0.728 | 0.945 | 0.169 | 0.063 |
JLM714149A/10-PN | mm | 115.000 | 75.000 | 25.000 | 19.000 | 25.000 | 6.400 | 3.100 | 102.9 | 153.2 |
in | 4.528 | 2.953 | 0.984 | 0.748 | 0.984 | 0.252 | 0.122 |
JM205149/10 | mm | 90.000 | 50.000 | 28.000 | 23.000 | 28.000 | 3.900 | 3.100 | 103.6 | 136.2 |
in | 3.543 | 1.969 | 1.102 | 0.906 | 1.102 | 0.154 | 0.122 |
JM207049(A)/10 | mm | 95.000 | 55.000 | 29.000 | 23.500 | 29.000 | 2.800 | 3.100 | 112.8 | 153.6 |
in | 3.740 | 2.165 | 1.142 | 0.925 | 1.142 | 0.110 | 0.122 |
JM515649/10 | mm | 130.000 | 80.000 | 34.000 | 28.500 | 35.000 | 4.300 | 3.100 | 169.2 | 255.3 |
in | 5.118 | 3.150 | 1.339 | 1.122 | 1.378 | 0.169 | 0.122 |
JM716649/10 | mm | 130.000 | 85.000 | 29.000 | 24.000 | 30.000 | 4.300 | 3.100 | 138.4 | 222.2 |
in | 5.118 | 3.346 | 1.142 | 0.945 | 1.181 | 0.169 | 0.122 |
JP10049(A)/10 | mm | 145.000 | 100.000 | 22.500 | 17.500 | 24.000 | 6.400 | 3.900 | 113.5 | 165.6 |
in | 5.709 | 3.937 | 0.886 | 0.689 | 0.945 | 0.252 | 0.154 |
JP13049(A)/10 | mm | 185.000 | 130.000 | 27.000 | 21.000 | 29.000 | 7.900 | 4.000 | 177.6 | 273.1 |
in | 7.283 | 5.118 | 1.063 | 0.827 | 1.142 | 0.311 | 0.157 |
JR3062-DBL | mm | 62.000 | 30.000 | 25.000 | 39.000 | 39.000 | 44.500 | 2.2 | 45.4 | 60.1 |
in | 2.441 | 1.181 | 0.984 | 1.535 | 1.535 | 1.752 | 0.087 |
JW6049/10 | mm | 125.000 | 60.000 | 33.500 | 26.000 | 37.000 | 4.400 | 3.700 | 149.9 | 200.7 |
in | 4.921 | 2.362 | 1.319 | 1.024 | 1.457 | 0.173 | 0.146 |
PX50935 | mm | 63.000 | 38.000 | 17.000 | 13.500 | 17.000 | 4.100 | 2.200 | 38.4 | 52.1 |
in | 2.480 | 1.496 | 0.669 | 0.531 | 0.669 | 0.161 | 0.087 |
R38-10 | mm | 75.000 | 38.000 | 24.500 | 19.500 | 24.500 | 2.400 | 2.100 | 74.2 | 92.3 |
in | 2.953 | 1.496 | 0.965 | 0.768 | 0.965 | 0.094 | 0.083 |
ST2749 | mm | 49.000 | 32.800 | 15.000 | 11.500 | 15.000 | 3.900 | 1.300 | 300.4 | 377.2 |
in | 1.929 | 1.291 | 0.591 | 0.453 | 0.591 | 0.154 | 0.051 |
ST5085 | mm | 85.000 | 50.000 | 23.000 | 20.750 | 25.000 | 2.900 | 2.600 | 79.1 | 122.9 |
in | 3.346 | 1.969 | 0.906 | 0.817 | 0.984 | 0.114 | 0.102 |
ST5177 | mm | 77.000 | 51.000 | 15.500 | 14.000 | 17.500 | 2.800 | 1.600 | 42.9 | 64.4 |
in | 3.031 | 2.008 | 0.610 | 0.551 | 0.689 | 0.110 | 0.063 |
TR080702J | mm | 72.000 | 38.500 | 16.500 | 15.000 | 18.250 | 2.100 | 2.900 | 46.4 | 55.4 |
in | 2.835 | 1.516 | 0.650 | 0.591 | 0.719 | 0.083 | 0.114 |
TR276217J | mm | 62.000 | 27.000 | 16.000 | 14.000 | 17.250 | 2.500 | 1.800 | 43.3 | 48.9 |
in | 2.441 | 1.063 | 0.630 | 0.551 | 0.679 | 0.098 | 0.071 |
TR286819J | mm | 68.000 | 28.000 | 18.000 | 16.000 | 19.750 | 2.500 | 1.800 | 44.1 | 49.3 |
in | 2.677 | 1.102 | 0.709 | 0.630 | 0.778 | 0.098 | 0.071 |
TR3062J | mm | 62.000 | 30.000 | 16.966 | 13.600 | 16.700 | 1.900 | 2.400 | 45.7 | 54.4 |
in | 2.441 | 1.181 | 0.668 | 0.535 | 0.657 | 0.075 | 0.094 |
TR406819J | mm | 68.000 | 40.000 | 19.000 | 14.500 | 19.000 | 3.500 | 2.300 | 50.1 | 70.1 |
in | 2.677 | 1.575 | 0.748 | 0.571 | 0.748 | 0.138 | 0.091 |
TR407219J | mm | 72.000 | 40.500 | 19.000 | 14.500 | 19.000 | 3.500 | 2.300 | 51.9 | 71.1 |
in | 2.835 | 1.594 | 0.748 | 0.571 | 0.748 | 0.138 | 0.091 |
ST3062 | mm | 62.000 | 30.000 | 16.966 | 13.600 | 16.700 | 1.900 | 2.300 | 45.7 | 54.4 |
in | 2.441 | 1.181 | 0.668 | 0.535 | 0.657 | 0.075 | 0.091 |
Our Factory :
Other production :
Contact me:
Address:
Room 120-6, 1st Floor, Office Building, Minhe Decoration City Co., Ltd., Beicang Town, Beichen District, Tianjin, China
Business Type:
Trading Company
Business Range:
Auto, Motorcycle Parts & Accessories, Industrial Equipment & Components, Manufacturing & Processing Machinery, Metallurgy, Mineral & Energy, Tools & Hardware
Management System Certification:
ISO 9001
Company Introduction:
Shandong Xiujiang Bearing Co., Ltd. Is a manufacturer and supplier of all kinds of bearings. We have 30 years of experience in bearing production. Tianjin Xiujiang Trading Co., Ltd. (Foreign Trade Department) was established in 2017. We have established good relationships with customers from all over the world.
In addition to standard products, SDSXJ bearings can also be used to make non-standard products for special applications and improved standard product. All production processes, such as forging, turning, heat treatment, grinding, assembly and packaging, are done at the factory. The company has professional bearing engineers to provide technical consultation, pre-sales and after-sales service for customers.