Year established: 
2004
products: 
22
Company type: 
Manufacturer
Chat Performance: 
95% (within hours)
Annual production: 
RMB 10 million
Total No. Employees: 
Less than 10
Main products: 
Various kinds of bearings, steel balls and rollers, cages made from various materials, semi-finished bearing components and bearing accessories, as well as other relevant mechanical and electrical product.

Four-point contact ball bearing

Four-point contact ball bearing
  • Four-point contact ball bearing
d: 15-75mm
d: 80-200mm

Product Detail

Principal dimensionsBasic load ratingsPuSpeed ratingsWeightDesignationDimensions Locating slots dimensions Abutment and fillet dimensions 
(mm)KNrpmkgmmmmmm
dDBdycstcSpeed RatingsLimiting Speed
Bearings with locating slotsWithout locating slotsdd1D1 r1,2 abhroda Da ra
CrCor
MinMinMaxMax
15351112.78.30.3622000360000.062QJ202N2MA-152228.10.61832.20.519.230.80.6
17401215.910.60.4519000300000.082QJ203N2MA-1725.732.50.6203.52.50.521.235.80.6
17471423.4150.6417000280000.14QJ303N2MA-1727.736.31224.53.50.522.641.41
20521529.6200.8515000240000.18QJ304N2MAQJ304MA2031.240.81.1254.53.50.527451
25521525.1200.8314000220000.16QJ205N2MAQJ205MA2535431274.530.530.646.41
25621739281.1812000200000.29QJ305N2MAQJ305MA2538491.1304.53.50.532551
30621635.128.51.212000190000.24QJ206N2MAQJ206MA3041.250.81324.53.50.535.656.41
30721949.4381.6310000170000.42QJ306N2MAQJ306MA3045.858.21.1364.53.50.537651
35721746.2391.6310000170000.36QJ207N2MAQJ207MA3547.9591.1374.53.50.542651
35802159.246.51.969500150000.57QJ307N2MAQJ307MA3550.764.31.5405.540.544711.5
40801852.7451.99000150000.45QJ208N2MAQJ208MA4054661.1425.540.547731
40902371.558.52.458500140000.78QJ308N2MAQJ308MA4057.572.51.5465.540.549811.5
45851958.5512.168500140000.52-QJ209MA4558.5721.146---52781
451002593.676.53.257500120001.05QJ309N2MAQJ309MA4563.881.21.5516.550.554911.5
50902061.8562.47500130000.59-QJ210MA5063.576.51.1495.540.557831
501102711191.53.96700110001.35-QJ310MA507090256---61992
551002179.376.53.27000110000.77QJ211N2MAQJ211MA5570.384.71.5546.550.564911.5
55120291271084.556000100001.75QJ311N2MAQJ311MA5577.297.82616.58.10.5661092
601102292.386.53.656300100000.99QJ212N2MAQJ212MA6077931.5606.550.5691011.5
60130311461255.3560090002.15QJ312N2MAQJ312MA60841062.1676.58.10.5721182
65120231041044.4560095001.2QJ213N2MAQJ213MA6584.51011.5656.56.50.5741111.5
65140331651466.1530085002.7-QJ313MA65901152.172---771282
70125241141144.8560090001.32QJ214N2MAQJ214MA70891061.5686.56.50.5791161.5
70150351861666.7480080003.15QJ314N2MAQJ314MA7097.31232.1778.510.12821382
75130251171225.2530085001.45QJ215N2MAQJ215MA7593.81121.5726.56.50.5841211.5
75160371991867.35450075003.9QJ315N2MA-751041312.1828.510.12871482


Four-point contact ball bearing(
d 80-200mm)

Principal dimensionsBasic load ratingsPuSpeed ratingsWeightDesignationDimensions Locating slots dimensions Abutment and fillet dimensions 
(mm)KNrpmkgmmmmmm
dDBdycstcSpeed RatingsLimiting Speed
Bearings with locating slotsWithout locating slotsdd1D1 r1,2 abhroda Da ra
CrCor
MinMinMaxMax
80140261381465.85480080001.85QJ216N2MAQJ216MA801001202776.58.11911292
80170392162088430070004.6QJ316N2MA-801111392.1888.510.12921582
85150281481606.2450075002.25QJ217N2MAQJ217MA851081282836.58.11961392
85180412342368.65400067005.45QJ317N2MA-8511714839310.511.72991662.5
90160301741866.95430070002.75QJ218N2MA-901141362886.58.111011492
901904326528510.2380063006.45QJ318N2MA-9012415639810.511.721041762.5
95170321992127.8400067003.35QJ219N2MA-951201452.1936.58.111071582
952004528631511360060007.45QJ319N2MA-95131165310310.511.721091862.5
100180342252408.65380063004.05QJ220N2MA-1001271532.1988.510.121121682
1002154730734011.6340056009.3QJ320N2MA-100139176311010.511.721142012.5
1102003826530510.4340056005.6QJ222N2MA-1101411692.11098.510.121221882
11024050390475153000480012.5QJ322N2MA-110154196312310.511.721242262.5
1202154028634011.2320050006.95QJ224N2MA-1201521832.111710.511.721322032
12026055390490152800450016QJ324N2MA-120169211313310.511.721342462.5
1302304029636511.6280048007.75QJ226N2MA-130165195312610.511.721442162.5
1302805842356016.62600400019.5QJ326N2MA-130182227414410.512.721472633
1402504232544013.2260043009.85QJ228N2MA-140179211313710.511.721542362.5
1403006246864018.62400380024QJ328N2MA-140196244415410.512.721572833
1502704537753015.32400400012.5QJ230N2MA-150194226314710.511.721642562.5
1503206549471019.62200360029QJ330N2MA-150211259416510.512.721673033
1602904842362017.62200380015.5QJ232N2MA-160206243315810.512.721742762.5
1603406854081521.62000340034.5QJ332N2MA-160224276417510.512.721773233
1703105243667018.32200340019.5QJ234N2MA-170221258416810.512.721872933
17036072618965251900320041.5QJ334N2MA-170237293418610.512.721873433
18032052449710192000340020.5QJ236N2MA-180231269417510.512.721973033
180380756371020261800300047.5QJ336N2MA-180252309419610.512.721973633
19040078702116028.51700280049QJ338N2MA-190263326520710.512.722103804
2003605854091523.21800300028.5QJ240N2MA-200258302419610.512.722173633




Various kinds of bearings, steel balls and rollers, cages made from various materials, semi-finished bearing components and bearing accessories, as well as other relevant mechanical and electrical product.
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