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Model NO.: 6909zz
Size: 45x68x12
Price: Factory Price
Customization: Available
Warranty: One Year
Delivery: 3~7 Days
Certificate: ISO9001
Product Overview
The 6909ZZ is a double shielded deep groove ball bearing designed for reliable performance in various industrial applications. With dimensions of 45mm inner diameter, 68mm outer diameter, and 12mm width, this metric bearing offers an optimal balance of compact design and load-bearing capability. The ZZ designation indicates it features two metal shields that protect against contaminants while retaining lubrication for maintenance-free operation.
Precision Engineering
The 6909ZZ 45x68x12 bearing is manufactured to ABEC 1 standards, ensuring consistent dimensional accuracy and smooth operation. Ideal for applications requiring high rotational precision.
Double Shield Protection
Two metal contact shields (ZZ) provide superior protection against dust, debris, and moisture while retaining lubrication. This design extends bearing life and reduces maintenance requirements.
High-Speed Performance
With grease limiting speeds up to 9,800 rpm, this 45x68x12 bearing is suitable for electric motors, gearboxes, and other high-speed machinery applications.
Robust Load Capacity
The deep groove raceway design handles both radial and moderate axial loads, making the 6909ZZ bearing versatile for various industrial uses.
Maintenance-Free Operation
Pre-lubricated with high-quality grease, the 6909ZZ requires no additional lubrication during its service life under normal operating conditions.
Cross-Reference & Equivalents
The 6909ZZ bearing is interchangeable with:
| Manufacturer | Part Number |
| SKF | 61909-2Z |
| NSK | 6909ZZ |
| NTN | 6909ZZ |
| FAG | 61909-2Z |
| Timken | 6909ZZ |
| Koyo | 6909ZZ |
Why Choose Our 6909ZZ Bearing?
✅ Competitive Pricing - Direct factory pricing
✅ Fast Delivery - Global shipping with tracking
✅ Quality Guarantee - 12-month warranty
✅ Technical Support - Expert engineering assistance
✅ Custom Solutions - Special modifications available
Customer Reviews
"★★★★★ - Excellent Quality
Purchased these 6909ZZ bearings for our motor repair shop. The 45x68x12 dimensions were perfect, and the double shields provide great protection. Smooth operation and no issues after 6 months of use." - John D., Industrial Equipment Supplier
"★★★★★ - Perfect Fit
Used in our conveyor system replacement. The 6909ZZ bearing was exactly as specified, easy to install, and running quietly. Great value for the price." - Sarah M., Manufacturing Engineer
Q: What does "ZZ" mean in 6909ZZ?
A: ZZ indicates double metal shields on both sides of the bearing for contamination protection.
Q: Is this bearing suitable for high-speed applications?
A: Yes, the 6909ZZ has a grease limiting speed of 9,800 rpm, making it suitable for many high-speed applications.
Q: Can this bearing handle axial loads?
A: While primarily designed for radial loads, deep groove ball bearings can handle moderate axial loads in both directions.
Q: What is the operating temperature range?
A: Standard operating range is -30°C to +120°C with standard grease. High-temperature variants are available.
Q: Do you offer custom modifications?
A: Yes, we can provide special clearances, materials, or seals upon request.
Basic Info.
Model NO. | 6909ZZ | Material | Bearing Steel |
Contact Angle | 0 | 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 | 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 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 |
Inner diameter (d) 45 mm
Outer diameter (D) 68 mm
Width (B) 12 mm
Weight (m) Approx. 0.200 kg
Why Choose HECTO?
1. More than 20 years of manufacturing and exporting 6909zz experiences
2. an IATF16949 company
3. 100% inspecting of 45x68x12 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. 6909zz bearing can be traced back
1. Industrial Machinery & Heavy Equipment
Crushers & Vibrating Screens: Accepts heavy radial loads and vibration with mining and quarrying operation.
Paper & Cement Machinery: For trouble free service of roller and conveyor system under heavy dust conditions.
Hydraulic Pumps & Gearboxes: 6909ZZ deep groove ball bearing for power transmission systems with moderate axial loads.
2. Automotive & Transportation
Electric Motors & Generators: Purchase risk and allows for the high-speed rotation of up to 12,000 RPMin EV powertrains and generators.
Steering Systems: Grease lubrication of steering columns reduces steering column friction.
3. Agricultural / Construction Equipment
Tractors & Harvesters: Dust does not enter the bearing thanks to ZZ shields.
Construction Machinery: 6909zz deep groove ball bearing used for compact gear driving for excavators and loaders.
Deep Groove Ball Bearing
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 | - |
