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Model: 6311 bearing
6311 Bearing Price: US$36.6
Size: 55x120x29 mm
Bearings Type: Ball Bearing
Rows Number: Single
Feature: Long Life, High Speed, Low Noise, High Quality
Origin: China
The 6311 ball bearings are an open style bearing. 6311 bearing (55x120x29) has a strong build with an inner ring, outer ring, steel balls, and cage that guarantee smooth rotation even at high speeds. It has a 55mm inside diameter, a 120mm outside diameter, and a 29mm depth. This high quality 55x120x29 bearing meets the ISO standard for dimensions and is standard in quality. This 6311 ball bearings come in various rolling bearing types including plain bearings, sealed bearings, ceramic bearings, lubricated bearings, or magnetic bearings.
Design & Dimensions
Metric design 55 mm inner diameter, 120 mm outer diameter and 29 mm width (B).
Meets DIN 625-1 standard for main dimensions.
55x120x29 Bearing Load Capacity
Dynamic load rating (Cr): 71 500 – 81 000 N.
Static load rating (C0r): 44,500-47,500 N.
Appropriate for high radial load and moderate axial load in both directions.
Sealing & Lubrication
Open (standard):,Shielded (ZZ), Sealed (2RS),
Material & Construction
Constructed of chrome steel (GCr15) for durability and resistance.
Low Friction & High Efficiency
Rolling ball design minimizes energy loss, reducing wear and improving mechanical efficiency.
Durability & Low Maintenance
6311 bearing with high quality steel and precision manufacturing extend service life.
Relubrication options (open types) further reduce downtime.
Noise Reduction
Lower operational noise compared to plain bearings, ideal for quiet environments.
Compact & Space-Saving
6311 bearing with single row design allows compact installation in tight spaces.
Performance Ratings:
Dynamic Load Capacity (Cr): 71.5–74.1 kN.
Static Load Capacity (Cor): 45 kN.
Fatigue Load Limit (Pu): 1.9 kN.
Speed Limits:
Grease-lubricated: 5,400–8,000 RPM.
Oil-lubricated: Up to 12,000 RPM (open variants).
Precision & Clearance:
Standard precision: ABEC-1/P0 (CN clearance).
High-precision option: ABEC-5 (6311M-P5).
C3 clearance available for thermal expansion compensation.
Basic Info.
Model NO. | 6311 bearing | Material | Bearing Steel |
Rows Number | Single | Load Direction | Radial Bearing |
Vibration | V1 V2 V3 V4 | Rolling Body | Ball Bearings |
Lubrication | Oil or Grease | Noise Level | Z1 Z2 Z3 Z4 |
Precision | P0 P5 P6 | Transport Package | Standard Exporting Packing |
| Specification | High Quality Deep groove ball bearing | Trademark | HECTO or OEM or neutral marking or no marking |
Origin | China | HS Code | 84821020 |
Production Capacity | 10 Million/Year |
Packaging & Delivery
Package Size | 28.00cm * 26.00cm * 17.00cm |
Package Gross Weight | 1.000kg |
Product Description
Basic Features of High Quality Deep Groove Ball Bearing | |
Types | 6000 series |
Material | Bearing Steel(GCr15, 100Cr6) |
Dimension | Metric and Inch |
Structure | Open, Z, 2Z, RS, 2RS, N, NR |
Precision | P0 P5 P6 |
Noise Level | Z1 Z2 Z3 Z4 |
Vibration | V1 V2 V3 V4 |
Radial Clearance | C0 C2 C3 C4 C5 |
Lubrication | Oil or Grease |
MOQ | 1 PC |
Delivery Time | 20-45 days |
Sea Ports | Shanghai Ningbo Qingdao |
6311 ball bearings Dimensions:
Bore (d): 55 mm
Outer Diameter (D): 120 mm
Width (B): 29 mm
Weight: 1.337–1.4 kg
Why Choose HECTO?
1. More than 20 years of manufacturing and exporting 6311 ball bearing experiences
2. an IATF16949 company
3. 100% inspecting of 6311 bearings
4. More competitive prices with better quality
5. More than 99% of delivery in time
6. Rapid response of your emails and questions
7. 6311 ball bearings can be traced back




High Quality Deep Groove Ball Bearing For Sale
Bearing No. | Boundary Dimensions(mm) | Basic Load Rating(N) | Weight(KG) | |||
d | D | B | Cr | Cor | ||
604 | 4 | 12 | 4 | 960 | 350 | 0.0023 |
605 | 5 | 14 | 5 | 1070 | 420 | 0.0037 |
606 | 6 | 17 | 6 | 1960 | 730 | 0.0069 |
607 | 7 | 19 | 6 | 2800 | 1060 | 0.0082 |
608 | 8 | 22 | 7 | 3290 | 1360 | 0.0129 |
609 | 9 | 24 | 7 | 3330 | 1410 | 0.016 |
6000 | 10 | 26 | 8 | 4160 | 1780 | 0.019 |
6001 | 12 | 28 | 8 | 5110 | 2380 | 0.022 |
6002 | 15 | 32 | 9 | 5590 | 2840 | 0.03 |
6003 | 17 | 35 | 10 | 6000 | 3250 | 0.039 |
6004 | 20 | 42 | 12 | 9390 | 5020 | 0.069 |
6005 | 25 | 47 | 12 | 10060 | 5860 | 0.08 |
6006 | 30 | 55 | 13 | 11900 | 7460 | 0.12 |
6007 | 35 | 62 | 14 | 16210 | 10420 | 0.16 |
6008 | 40 | 68 | 15 | 17030 | 11700 | 0.19 |
6009 | 45 | 75 | 16 | 21080 | 14780 | 0.25 |
6010 | 50 | 80 | 16 | 22000 | 16260 | 0.26 |
6011 | 55 | 90 | 18 | 31500 | 18400 | 0.39 |
6012 | 60 | 95 | 18 | 30000 | 23000 | 0.42 |
6013 | 65 | 100 | 18 | 32000 | 25000 | 0.44 |
6014 | 70 | 110 | 20 | 38000 | 31000 | 0.6 |
6015 | 75 | 115 | 20 | 38000 | 31000 | 0.64 |
6016 | 80 | 125 | 22 | 47500 | 40000 | 0.85 |
6017 | 85 | 130 | 22 | 47500 | 40000 | 0.89 |
6018 | 90 | 140 | 24 | 63800 | 59000 | 1.15 |
6019 | 95 | 145 | 24 | 66700 | 62300 | 1.2 |
6020 | 100 | 150 | 24 | 72500 | 70000 | 1.25 |
624 | 4 | 13 | 5 | 1150 | 400 | 0.0032 |
625 | 5 | 16 | 5 | 1880 | 680 | 0.0051 |
626 | 6 | 19 | 6 | 2800 | 1060 | 0.0086 |
627 | 7 | 22 | 7 | 3290 | 1360 | 0.0131 |
628 | 8 | 24 | 8 | 3330 | 1410 | 0.017 |
629 | 9 | 26 | 8 | 4160 | 1780 | 0.0191 |
6200 | 10 | 30 | 9 | 5110 | 2380 | 0.032 |
6201 | 12 | 32 | 10 | 6180 | 3060 | 0.037 |
6202 | 15 | 35 | 11 | 7450 | 3700 | 0.045 |
6203 | 17 | 40 | 12 | 9560 | 4780 | 0.065 |
6204 | 20 | 47 | 14 | 12840 | 6650 | 0.11 |
6205 | 25 | 52 | 15 | 14020 | 7930 | 0.13 |
6206 | 30 | 62 | 16 | 19460 | 11310 | 0.2 |
6207 | 35 | 72 | 17 | 25670 | 15300 | 0.29 |
6208 | 40 | 80 | 18 | 29520 | 181400 | 0.37 |
6209 | 45 | 85 | 19 | 32500 | 20400 | 0.41 |
6210 | 50 | 90 | 20 | 35000 | 32300 | 0.46 |
6211 | 55 | 100 | 21 | 43500 | 29200 | 0.61 |
6212 | 60 | 110 | 22 | 52500 | 36000 | 0.78 |
6213 | 65 | 120 | 23 | 57200 | 40100 | 0.99 |
6214 | 70 | 125 | 24 | 62000 | 44000 | 1.05 |
6215 | 75 | 130 | 25 | 66000 | 49500 | 1.2 |
6216 | 80 | 140 | 26 | 72500 | 53000 | 1.4 |
6217 | 85 | 150 | 28 | 83500 | 64000 | 1.8 |
6218 | 90 | 160 | 30 | 96000 | 71500 | 2.15 |
6219 | 95 | 170 | 32 | 109000 | 82000 | 2.6 |
6220 | 100 | 180 | 34 | 122000 | 93000 | 3.15 |
634 | 4 | 16 | 5 | 1880 | 680 | 0.0054 |
635 | 5 | 19 | 6 | 2810 | 1060 | 0.0089 |
636 | 6 | 22 | 7 | 3290 | 1360 | 0.0145 |
637 | 7 | 26 | 9 | 3340 | 1410 | 0.0258 |
638 | 8 | 28 | 9 | 4160 | 1780 | 0.0303 |
639 | 9 | 30 | 10 | 5120 | 2390 | 0.0371 |
6300 | 10 | 35 | 11 | 7640 | 3470 | 0.053 |
6301 | 12 | 37 | 12 | 9700 | 4190 | 0.06 |
6302 | 15 | 42 | 13 | 11400 | 5430 | 0.082 |
6303 | 17 | 47 | 14 | 13580 | 6580 | 0.12 |
6304 | 20 | 52 | 15 | 15940 | 7880 | 0.14 |
6305 | 25 | 62 | 17 | 22380 | 11490 | 0.23 |
6306 | 30 | 72 | 19 | 27000 | 15200 | 0.35 |
6307 | 35 | 80 | 21 | 33500 | 19100 | 0.46 |
6308 | 40 | 90 | 23 | 40500 | 24000 | 0.63 |
6309 | 45 | 100 | 25 | 53000 | 32000 | 0.83 |
6310 | 50 | 110 | 27 | 62000 | 38500 | 1.05 |
6311 | 55 | 120 | 29 | 71600 | 45000 | 1.35 |
6312 | 60 | 130 | 31 | 81900 | 52200 | 1.7 |
6313 | 65 | 140 | 33 | 92700 | 59900 | 2.1 |
6314 | 70 | 150 | 35 | 104000 | 68000 | 2.5 |
6315 | 75 | 160 | 37 | 113000 | 77000 | 3 |
6316 | 80 | 170 | 39 | 123000 | 86500 | 3.6 |
6317 | 85 | 180 | 41 | 133000 | 97000 | 4.25 |
6318 | 90 | 190 | 43 | 143000 | 107000 | 4.9 |
6319 | 95 | 200 | 45 | 153000 | 119000 | 5.65 |
6320 | 100 | 215 | 47 | 173000 | 141000 | 7 |
6403 | 17 | 62 | 17 | 22700 | 10800 | 0.27 |
6404 | 20 | 72 | 19 | 31000 | 15200 | 0.4 |
6405 | 25 | 80 | 21 | 36100 | 19400 | 0.53 |
6406 | 30 | 90 | 23 | 47330 | 24500 | 0.712 |
6407 | 35 | 100 | 25 | 55740 | 29350 | 0.922 |
6408 | 40 | 110 | 27 | 63710 | 36580 | 1.218 |
6409 | 45 | 120 | 29 | 77380 | 45380 | 1.495 |
6410 | 50 | 130 | 31 | 92290 | 55130 | 1.86 |
6411 | 55 | 140 | 33 | 100670 | 62450 | 2.4 |
6412 | 60 | 150 | 35 | 109110 | 70060 | 2.82 |
6413 | 65 | 160 | 37 | 118140 | 78570 | 3.35 |
6414 | 70 | 180 | 42 | 139500 | 99560 | 4.64 |
6415 | 75 | 190 | 45 | 153750 | 114320 | 5.69 |
6416 | 80 | 200 | 48 | 163220 | 124550 | 6.74 |
6417 | 85 | 210 | 52 | 174900 | 137490 | 7.91 |
6418 | 90 | 225 | 54 | 192480 | 157630 | 9.55 |
6420 | 100 | 250 | 58 | 223080 | 194610 | 12.813 |
684 | 4 | 9 | 2.5 | 480 | 170 | 0.001 |
685 | 5 | 11 | 3 | 770 | 320 | 0.0019 |
686 | 6 | 13 | 3.5 | 1080 | 440 | 0.0027 |
687 | 7 | 14 | 3.5 | 1170 | 510 | 0.003 |
688 | 8 | 16 | 4 | 1250 | 590 | 0.0038 |
689 | 9 | 17 | 4 | 1330 | 660 | 0.044 |
6800 | 10 | 19 | 5 | 1590 | 750 | 0.005 |
6801 | 12 | 21 | 5 | 1910 | 1040 | 0.006 |
6802 | 15 | 24 | 5 | 2070 | 1250 | 0.007 |
6803 | 17 | 26 | 5 | 2130 | 1360 | 0.008 |
6804 | 20 | 32 | 7 | 3480 | 2230 | 0.009 |
6805 | 25 | 37 | 7 | 3680 | 2630 | 0.022 |
6806 | 30 | 42 | 7 | 4000 | 3150 | 0.026 |
6807 | 35 | 47 | 7 | 4270 | 3600 | 0.029 |
6808 | 40 | 52 | 7 | 4410 | 3890 | 0.033 |
6809 | 45 | 58 | 7 | 4590 | 4330 | 0.04 |
6810 | 50 | 65 | 7 | 6610 | 6080 | 0.052 |
6811 | 55 | 72 | 9 | 8530 | 8080 | 0.083 |
6812 | 60 | 78 | 10 | 9200 | 8760 | 0.106 |
6813 | 65 | 85 | 10 | 10510 | 9420 | 0.125 |
6814 | 70 | 90 | 10 | 10890 | 10090 | 0.135 |
6815 | 75 | 95 | 10 | 11230 | 10760 | 0.145 |
6816 | 80 | 100 | 10 | 11320 | 11080 | 0.155 |
6817 | 85 | 110 | 13 | 17599 | 18300 | 0.265 |
6818 | 90 | 115 | 13 | 17853 | 18961 | 0.28 |
6819 | 95 | 120 | 13 | 18089 | 19616 | 0.311 |
6820 | 100 | 125 | 13 | 18340 | 20266 | 0.325 |
694 | 4 | 11 | 4 | 960 | 350 | 0.0017 |
695 | 5 | 13 | 4 | 1070 | 420 | 0.0023 |
696 | 6 | 15 | 5 | 1470 | 600 | 0.0036 |
697 | 7 | 17 | 5 | 1600 | 710 | 0.005 |
698 | 8 | 19 | 6 | 2230 | 910 | 0.0076 |
699 | 9 | 20 | 6 | 2480 | 1090 | 0.0085 |
6900 | 10 | 22 | 6 | 2690 | 1270 | 0.009 |
6901 | 12 | 24 | 6 | 2890 | 1460 | 0.011 |
6902 | 15 | 28 | 7 | 4320 | 2250 | 0.016 |
6903 | 17 | 30 | 7 | 4590 | 2550 | 0.018 |
6904 | 20 | 37 | 9 | 6370 | 3680 | 0.036 |
6905 | 25 | 42 | 9 | 6660 | 4180 | 0.042 |
6906 | 30 | 47 | 9 | 7240 | 5010 | 0.048 |
6907 | 35 | 55 | 10 | 10390 | 7160 | 0.074 |
6908 | 40 | 62 | 12 | 13020 | 9200 | 0.11 |
6909 | 45 | 68 | 12 | 13490 | 10130 | 0.128 |
6910 | 50 | 72 | 12 | 13900 | 10990 | 0.132 |
6911 | 55 | 80 | 13 | 14820 | 12690 | 0.177 |
6912 | 60 | 85 | 13 | 15080 | 13480 | 0.191 |
6913 | 65 | 90 | 13 | 19950 | 17490 | 0.2 |
6914 | 70 | 100 | 16 | 25950 | 21850 | 0.327 |
6915 | 75 | 105 | 16 | 26780 | 23560 | 0.345 |
6916 | 80 | 110 | 16 | 27590 | 25280 | 0.363 |
6917 | 85 | 120 | 18 | 31900 | 29700 | 0.517 |
6918 | 90 | 125 | 18 | 32800 | 31500 | 0.54 |
6919 | 95 | 130 | 18 | 33700 | 33300 | 0.567 |
6920 | 100 | 140 | 20 | 39901 | 39135 | 0.771 |
16001 | 12 | 28 | 7 | 5100 | 2400 | 0.019 |
16002 | 15 | 32 | 8 | 5600 | 2800 | 0.025 |
16003 | 17 | 35 | 8 | 6800 | 3350 | 0.032 |
16004 | 20 | 42 | 8 | 7900 | 4500 | 0.051 |
16005 | 25 | 47 | 8 | 8350 | 5100 | 0.059 |
16006 | 30 | 55 | 9 | 11200 | 7400 | 0.091 |
16007 | 35 | 62 | 9 | 11700 | 8200 | 0.107 |
16008 | 40 | 68 | 9 | 12600 | 9650 | 0.125 |
16009 | 45 | 75 | 10 | 12900 | 10500 | 0.171 |
16010 | 50 | 80 | 10 | 13200 | 11300 | 0.18 |
16011 | 55 | 90 | 11 | 18600 | 15300 | 0.258 |
16012 | 60 | 95 | 11 | 20000 | 17500 | 0.283 |
16013 | 65 | 100 | 11 | 20500 | 18700 | 0.307 |
16014 | 70 | 110 | 13 | 24400 | 22600 | 0.441 |
16015 | 75 | 115 | 13 | 25000 | 24000 | 0.464 |
16016 | 80 | 125 | 14 | 25400 | 25100 | 0.597 |
16017 | 85 | 130 | 14 | 25900 | 26200 | 0.626 |
16018 | 90 | 140 | 16 | 33500 | 33500 | 0.848 |
16019 | 95 | 145 | 16 | 34500 | 35000 | 0.885 |
16020 | 100 | 150 | 16 | 35000 | 36500 | 0.91 |
62200 | 10 | 30 | 14 | 5100 | 2390 | 0.04 |
62201 | 12 | 32 | 14 | 6100 | 2750 | 0.045 |
62202 | 15 | 35 | 14 | 77500 | 3600 | 0.054 |
62203 | 17 | 40 | 16 | 9600 | 4600 | 0.083 |
62204 | 20 | 47 | 18 | 12800 | 6650 | 0.13 |
62205 | 25 | 52 | 18 | 14000 | 7850 | 0.15 |
62206 | 30 | 62 | 20 | 19500 | 11300 | 0.24 |
62207 | 35 | 72 | 23 | 25700 | 15300 | 0.37 |
62208 | 40 | 80 | 23 | 29100 | 17800 | 0.44 |
62209 | 45 | 85 | 23 | 32500 | 20400 | 0.48 |
62210 | 50 | 90 | 23 | 35000 | 23200 | 0.52 |
62211 | 55 | 100 | 25 | 43500 | 29200 | 0.7 |
62212 | 60 | 110 | 28 | 52500 | 36000 | 0.97 |
62213 | 65 | 120 | 31 | 57500 | 40000 | 1.25 |
62214 | 70 | 125 | 31 | 62000 | 44000 | 1.3 |
62215 | 75 | 130 | 31 | 66000 | 49500 | 1.39 |
62216 | 80 | 140 | 33 | 72500 | 53000 | - |
62217 | 85 | 150 | 36 | 83500 | 64000 | - |
62218 | 90 | 160 | 40 | 96000 | 71500 | - |
62219 | 95 | 170 | 43 | 109000 | 82000 | - |
62220 | 100 | 180 | 46 | 122000 | 93000 | - |
62300 | 10 | 35 | 17 | 8200 | 3500 | 0.073 |
62301 | 12 | 37 | 17 | 9700 | 4200 | 0.0814 |
62302 | 15 | 42 | 17 | 11400 | 5450 | 0.105 |
62303 | 17 | 47 | 19 | 13500 | 6550 | 0.146 |
62304 | 20 | 52 | 21 | 15900 | 7900 | 0.195 |
62305 | 25 | 62 | 24 | 21200 | 10900 | 0.306 |
62306 | 30 | 72 | 27 | 26700 | 15000 | 0.478 |
62307 | 35 | 80 | 31 | 33500 | 19100 | 0.647 |
62308 | 40 | 90 | 33 | 40500 | 24000 | 0.885 |
62309 | 45 | 100 | 36 | 53000 | 32000 | 1.156 |
62310 | 50 | 110 | 40 | 62000 | 38500 | 1.498 |
62311 | 55 | 120 | 43 | 71500 | 45000 | 1.918 |
62312 | 60 | 130 | 46 | 82000 | 52000 | 2.422 |
62313 | 65 | 140 | 48 | 92500 | 60000 | - |
62314 | 70 | 150 | 51 | 104000 | 68000 | - |
62315 | 75 | 160 | 55 | 113000 | 77000 | - |
62316 | 80 | 170 | 58 | 123000 | 86500 | - |
62317 | 85 | 180 | 60 | 133000 | 97000 | - |
62318 | 90 | 190 | 64 | 143000 | 107000 | - |
62319 | 95 | 200 | 67 | 153000 | 119000 | - |