6900 Series Deep Groove Ball Bearings
6900 series ball bearings range in bore sizes from 10 millimeters up to 200 millimeters and are defined as a deep-groove ball bearing type. The purpose of a deep groove radial ball bearing is to reduce rotational friction and support loads. This is achieved with the use of an inner race and retainer that holds the individual balls in place for an even spread of the load capacity. The spherule shape of the balls creates a much lower coefficient of friction than that of two flat surfaces rotating. We supply 6900 series bearings in precision ratings ranging from ABE 1 ( industry standard) up to ABEC 7 (high-precision) as well as in materials such as stainless steel and ceramic. For additional information or to get a quote on 6900 series ball bearings contact our customer support team and we will be happy to assist you!6900 Series Ball Bearing Configurations
![]() Open (No Seal or Sheild) |
![]() RS (Seal on One Side) |
![]() 2-RS (Seal on Both Sid) |
![]() Z (Shield on One Sides) |
![]() ZZ (Shields on Both Sides) |
![]() NR (Retaining Ring) |
|---|---|---|---|---|---|
6900 Series Ball Bearing Sizes

| Bearing Size | (d) | (D) | (B) | Dynamic Load (LBS) | Static Load (LBS) | Limiting Speed Grease (2RS) | Limiting Speed Grease (ZZ/ Open) | Limiting Speed Oil (Open) |
|---|---|---|---|---|---|---|---|---|
| 6900 | 10mm | 22mm | 6mm | 605LBS | 286LBS | 22,800 | 32,000 | 38,000 |
| 6900-2RS | 10mm | 22mm | 6mm | 605LBS | 286LBS | 22,800 | 32,000 | 38,000 |
| 6900-ZZ | 10mm | 22mm | 6mm | 605LBS | 286LBS | 22,800 | 32,000 | 38,000 |
| 6901 | 12mm | 24mm | 6mm | 650LBS | 330LBS | 21,600 | 30,000 | 36,000 |
| 6901-2RS | 12mm | 24mm | 6mm | 650LBS | 330LBS | 21,600 | 30,000 | 36,000 |
| 6901-ZZ | 12mm | 24mm | 6mm | 650LBS | 330LBS | 21,600 | 30,000 | 36,000 |
| 6902 | 15mm | 28mm | 7mm | 970LBS | 510LBS | 18,000 | 26,000 | 30,000 |
| 6902-2RS | 15mm | 28mm | 7mm | 970LBS | 510LBS | 18,000 | 26,000 | 30,000 |
| 6902-ZZ | 15mm | 28mm | 7mm | 970LBS | 510LBS | 18,000 | 26,000 | 30,000 |
| 6903 | 17mm | 30mm | 7mm | 1,031LBS | 577LBS | 16,800 | 24,000 | 28,000 |
| 6903-2RS | 17mm | 30mm | 7mm | 1,031LBS | 577LBS | 16,800 | 24,000 | 28,000 |
| 6903-ZZ | 17mm | 30mm | 7mm | 1,031LBS | 577LBS | 16,800 | 24,000 | 28,000 |
| 6904 | 20mm | 37mm | 9mm | 1,430LBS | 825LBS | 13,800 | 19,000 | 23,000 |
| 6904-2RS | 20mm | 37mm | 9mm | 1,430LBS | 825LBS | 13,800 | 19,000 | 23,000 |
| 6904-ZZ | 20mm | 37mm | 9mm | 1,430LBS | 825LBS | 13,800 | 19,000 | 23,000 |
| 6905 | 25mm | 42mm | 9mm | 1,570LBS | 1,021LBS | 11,400 | 16,000 | 19,000 |
| 6905-2RS | 25mm | 42mm | 9mm | 1,570LBS | 1,021LBS | 11,400 | 16,000 | 19,000 |
| 6905-ZZ | 25mm | 42mm | 9mm | 1,570LBS | 1,021LBS | 11,400 | 16,000 | 19,000 |
| 6906 | 30mm | 47mm | 9mm | 1,630LBS | 1,130LBS | 10,200 | 14,000 | 17,000 |
| 6906-2RS | 30mm | 47mm | 9mm | 1,630LBS | 1,130LBS | 10,200 | 14,000 | 17,000 |
| 6906-ZZ | 30mm | 47mm | 9mm | 1,630LBS | 1,130LBS | 10,200 | 14,000 | 17,000 |
| 6907 | 35mm | 55mm | 10mm | 2,450LBS | 1,758LBS | 9,000 | 12,000 | 15,000 |
| 6907-2RS | 35mm | 55mm | 10mm | 2,450LBS | 1,758LBS | 9,000 | 12,000 | 15,000 |
| 6907-ZZ | 35mm | 55mm | 10mm | 2,450LBS | 1,758LBS | 9,000 | 12,000 | 15,000 |
| 6908 | 40mm | 62mm | 12mm | 3,075LBS | 2,241LBS | 7,800 | 11,000 | 13,000 |
| 6908-2RS | 40mm | 62mm | 12mm | 3,075LBS | 2,241LBS | 7,800 | 11,000 | 13,000 |
| 6908-ZZ | 40mm | 62mm | 12mm | 3,075LBS | 2,241LBS | 7,800 | 11,000 | 13,000 |
| 6909 | 45mm | 68mm | 12mm | 3,170LBS | 2,430LBS | 7,200 | 9,800 | 12,000 |
| 6909-2RS | 45mm | 68mm | 12mm | 3,170LBS | 2,430LBS | 7,200 | 9,800 | 12,000 |
| 6909-ZZ | 45mm | 68mm | 12mm | 3,170LBS | 2,430LBS | 7,200 | 9,800 | 12,000 |
| 6910 | 50mm | 72mm | 12mm | 3,500LBS | 2,750LBS | 6,600 | 8,900 | 11,000 |
| 6910-2RS | 50mm | 72mm | 12mm | 3,500LBS | 2,750LBS | 6,600 | 8,900 | 11,000 |
| 6910-ZZ | 50mm | 72mm | 12mm | 3,500LBS | 2,750LBS | 6,600 | 8,900 | 11,000 |
| 6911 | 55mm | 80mm | 13mm | 3,590LBS | 2,970LBS | 5,760 | 8,200 | 9,600 |
| 6911-2RS | 55mm | 80mm | 13mm | 3,590LBS | 2,970LBS | 5,760 | 8,200 | 9,600 |
| 6911-ZZ | 55mm | 80mm | 13mm | 3,590LBS | 2,970LBS | 5,760 | 8,200 | 9,600 |
| 6912 | 60mm | 85mm | 13mm | 4,360LBS | 3,650LBS | 5,340 | 7,600 | 8,900 |
| 6912-2RS | 60mm | 85mm | 13mm | 4,360LBS | 3,650LBS | 5,340 | 7,600 | 8,900 |
| 6912-ZZ | 60mm | 85mm | 13mm | 4,360LBS | 3,650LBS | 5,340 | 7,600 | 8,900 |
| 6913 | 65mm | 90mm | 13mm | 3,890LBS | 3,610LBS | 4,920 | 7,000 | 8,200 |
| 6913-2RS | 65mm | 90mm | 13mm | 3,890LBS | 3,610LBS | 4,920 | 7,000 | 8,200 |
| 6913-ZZ | 65mm | 90mm | 13mm | 3,890LBS | 3,610LBS | 4,920 | 7,000 | 8,200 |
| 6914 | 70mm | 100mm | 16mm | 5,320LBS | 4,750LBS | 4,620 | 6,500 | 7,700 |
| 6914-2RS | 70mm | 100mm | 16mm | 5,320LBS | 4,750LBS | 4,620 | 6,500 | 7,700 |
| 6914-ZZ | 70mm | 100mm | 16mm | 5,320LBS | 4,750LBS | 4,620 | 6,500 | 7,700 |
| 6915 | 75mm | 105mm | 16mm | 5,460LBS | 5,060LBS | 4,440 | 6,100 | 7,400 |
| 6915-2RS | 75mm | 105mm | 16mm | 5,460LBS | 5,060LBS | 4,440 | 6,100 | 7,400 |
| 6915-ZZ | 75mm | 105mm | 16mm | 5,460LBS | 5,060LBS | 4,440 | 6,100 | 7,400 |
| 6916 | 80mm | 110mm | 16mm | 5,590LBS | 5,390LBS | 4,020 | 5,700 | 6,700 |
| 6916-2RS | 80mm | 110mm | 16mm | 5,590LBS | 5,390LBS | 4,020 | 5,700 | 6,700 |
| 6916-ZZ | 80mm | 110mm | 16mm | 5,590LBS | 5,390LBS | 4,020 | 5,700 | 6,700 |
| 6917 | 85mm | 120mm | 18mm | 7,150LBS | 6,600LBS | 3,780 | 5,400 | 6,300 |
| 6917-2RS | 85mm | 120mm | 18mm | 7,150LBS | 6,600LBS | 3,780 | 5,400 | 6,300 |
| 6917-ZZ | 85mm | 120mm | 18mm | 7,150LBS | 6,600LBS | 3,780 | 5,400 | 6,300 |
| 6918 | 90mm | 125mm | 18mm | 7,370LBS | 7,040LBS | 3,600 | 5,100 | 6,000 |
| 6918-2RS | 90mm | 125mm | 18mm | 7,370LBS | 7,040LBS | 3,600 | 5,100 | 6,000 |
| 6918-ZZ | 90mm | 125mm | 18mm | 7,370LBS | 7,040LBS | 3,600 | 5,100 | 6,000 |
| 6919 | 95mm | 130mm | 18mm | 7,590LBS | 7,480LBS | 3,420 | 4,800 | 5,700 |
| 6919-2RS | 95mm | 130mm | 18mm | 7,590LBS | 7,480LBS | 3,420 | 4,800 | 5,700 |
| 6919-ZZ | 95mm | 130mm | 18mm | 7,590LBS | 7,480LBS | 3,420 | 4,800 | 5,700 |
| 6920 | 100mm | 140mm | 20mm | 9,570LBS | 9,350LBS | 3,180 | 4,500 | 5,300 |
| 6920-2RS | 100mm | 140mm | 20mm | 9,570LBS | 9,350LBS | 3,180 | 4,500 | 5,300 |
| 6920-ZZ | 100mm | 140mm | 20mm | 9,570LBS | 9,350LBS | 3,180 | 4,500 | 5,300 |
| 6921 | 105mm | 145mm | 20mm | 9,790LBS | 9,460LBS | 3,180 | 4,300 | 5,300 |
| 6921-2RS | 105mm | 145mm | 20mm | 9,790LBS | 9,460LBS | 3,180 | 4,300 | 5,300 |
| 6921-ZZ | 105mm | 145mm | 20mm | 9,790LBS | 9,460LBS | 3,180 | 4,300 | 5,300 |
| 6922 | 110mm | 150mm | 20mm | 11,900LBS | 10,000LBS | 3,000 | 4,300 | 5,000 |
| 6922-2RS | 110mm | 150mm | 20mm | 11,900LBS | 10,000LBS | 3,000 | 4,300 | 5,000 |
| 6922-ZZ | 110mm | 150mm | 20mm | 11,900LBS | 10,000LBS | 3,000 | 4,300 | 5,000 |
| 6924 | 120mm | 165mm | 22mm | 14,600LBS | 12,100LBS | 2,640 | 3,800 | 4,400 |
| 6924-2RS | 120mm | 165mm | 22mm | 14,600LBS | 12,100LBS | 2,640 | 3,800 | 4,400 |
| 6924-ZZ | 120mm | 165mm | 22mm | 14,600LBS | 12,100LBS | 2,640 | 3,800 | 4,400 |
| 6926 | 130mm | 180mm | 24mm | 14,600LBS | 15,100LBS | 2,460 | 3,500 | 4,100 |
| 6926-2RS | 130mm | 180mm | 24mm | 14,600LBS | 15,100LBS | 2,460 | 3,500 | 4,100 |
| 6926-ZZ | 130mm | 180mm | 24mm | 14,600LBS | 15,100LBS | 2,460 | 3,500 | 4,100 |
| 6928 | 140mm | 190mm | 24mm | 15,000LBS | 16,100LBS | 2,280 | 3,200 | 3,800 |
| 6928-2RS | 140mm | 190mm | 24mm | 15,000LBS | 16,100LBS | 2,280 | 3,200 | 3,800 |
| 6928-ZZ | 140mm | 190mm | 24mm | 15,000LBS | 16,100LBS | 2,280 | 3,200 | 3,800 |
| 6930 | 150mm | 210mm | 28mm | 19,000LBS | 20,200LBS | 2,100 | 3,000 | 3,500 |
| 6930-2RS | 150mm | 210mm | 28mm | 19,000LBS | 20,200LBS | 2,100 | 3,000 | 3,500 |
| 6930-ZZ | 150mm | 210mm | 28mm | 19,000LBS | 20,200LBS | 2,100 | 3,000 | 3,500 |
| 6932 | 160mm | 220mm | 28mm | 19,500LBS | 21,600LBS | 1,980 | 2,800 | 3,300 |
| 6932-2RS | 160mm | 220mm | 28mm | 19,500LBS | 21,600LBS | 1,980 | 2,800 | 3,300 |
| 6932-ZZ | 160mm | 220mm | 28mm | 19,500LBS | 21,600LBS | 1,980 | 2,800 | 3,300 |
| 6934 | 170mm | 230mm | 28mm | 19,300LBS | 21,700LBS | 1,860 | 2,600 | 3,100 |
| 6934-2RS | 170mm | 230mm | 28mm | 19,300LBS | 21,700LBS | 1,860 | 2,600 | 3,100 |
| 6934-ZZ | 170mm | 230mm | 28mm | 19,300LBS | 21,700LBS | 1,860 | 2,600 | 3,100 |
| 6936 | 180mm | 250mm | 33mm | 26,600LBS | 28,800LBS | 1,740 | 2,400 | 2,900 |
| 6936-2RS | 180mm | 250mm | 33mm | 26,600LBS | 28,800LBS | 1,740 | 2,400 | 2,900 |
| 6936-ZZ | 180mm | 250mm | 33mm | 26,600LBS | 28,800LBS | 1,740 | 2,400 | 2,900 |
| 6938 | 190mm | 260mm | 33mm | 25,300LBS | 28,600LBS | 1,620 | 2,300 | 2,700 |
| 6938-2RS | 190mm | 260mm | 33mm | 25,300LBS | 28,600LBS | 1,620 | 2,300 | 2,700 |
| 6938-ZZ | 190mm | 260mm | 33mm | 25,300LBS | 28,600LBS | 1,620 | 2,300 | 2,700 |
| 6940 | 200mm | 280mm | 38mm | 32,100LBS | 35,400LBS | 1,560 | 2,200 | 2,600 |
| 6940-2RS | 200mm | 280mm | 38mm | 32,100LBS | 35,400LBS | 1,560 | 2,200 | 2,600 |
| 6940-ZZ | 200mm | 280mm | 38mm | 32,100LBS | 35,400LBS | 1,560 | 2,200 | 2,600 |
Frequently Asked Questions
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If your order is less than $300, no problem! Please give us a call at 407-347-3519 or email Sales@usarollerchain.com, and we will be happy to assist you!
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USA Roller Chain utilizes an extensive network of vendors and warehouses to ensure you get your items quickly! Our primary roller chain warehouse is located in Clermont, FL, but we have warehouses located all across the United States. Your order will be shipped from the closest warehouse to you that has your requested product in stock. This speeds up transit times and saves you money on shipping! If you have any questions about where an item will ship from, please CONTACT US
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In-stock items are typically shipped out in 1-3 business days.Made-to-order item lead times vary from 1-2 days up to 14-20+ weeks, depending on the product. If you need your items urgently, please let us know, and we will do our best to meet your required delivery date! If you have any questions, please CONTACT US
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If you are having an issue with your order, please CONTACT US as soon as possible so we can resolve it for you.
Most in-stock items can be returned within 30 days of the shipment date. MTO or Custom orders are not eligible for a return or refund. For a detailed explanation of our return policies, please click here.
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Absolutely! We may be called "USA Roller Chain", but we ship worldwide! Please CONTACT US for Export/International quotes or orders.





