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About Ball and Roller Bearings
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Electrically Insulated Ball Bearings
Good for use in electric motors and power generators, these bearings have ceramic balls that insulate against stray current to prevent damage to the bearing. The ceramic balls generate less heat than steel balls, so they require lubrication less frequently.
Shielded bearings block out dust and other contaminants.
Sealed bearings block out dust and other contaminants better than open and shielded bearings but retain the most heat.
For technical drawings and 3-D models, click on a part number.
Radial Load Cap., lbs. | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bearing Trade Number  | For Shaft Dia., mm | For Housing ID, mm | Wd., mm | Ring Material | Dynamic | Static | Max. Speed, rpm | Lubrication | Temp. Range, °F | ABEC Rating | Each | |
Shielded | ||||||||||||
| 6203-2Z | 17 | 40 | 12 | Steel | 2,100 | 920 | 25,500 | Lubricated | -20° to 250° | ABEC-1 | 0000000 | 0000000 |
| 6204-2Z | 20 | 47 | 14 | Steel | 2,850 | 1,250 | 22,500 | Lubricated | -20° to 250° | ABEC-1 | 0000000 | 000000 |
| 6205-2Z | 25 | 52 | 15 | Steel | 3,100 | 1,500 | 19,500 | Lubricated | -20° to 250° | ABEC-1 | 0000000 | 000000 |
| 6206-2Z | 30 | 62 | 16 | Steel | 4,350 | 2,150 | 16,500 | Lubricated | -20° to 250° | ABEC-1 | 0000000 | 000000 |
| 6207-2Z | 35 | 72 | 17 | Steel | 5,750 | 2,900 | 13,500 | Lubricated | -20° to 250° | ABEC-1 | 0000000 | 000000 |
| 6208-2Z | 40 | 80 | 18 | Steel | 6,500 | 3,400 | 12,000 | Lubricated | -20° to 250° | ABEC-1 | 0000000 | 000000 |
| 6209-2Z | 45 | 85 | 19 | Steel | 8,400 | 5,700 | 11,800 | Lubricated | -20° to 245° | ABEC-1 | 0000000 | 000000 |
| 6210-2Z | 50 | 90 | 20 | Steel | 9,600 | 6,000 | 10,800 | Lubricated | -20° to 245° | ABEC-1 | 0000000 | 000000 |
| 6211-2Z | 55 | 100 | 21 | Steel | 11,400 | 7,300 | 9,600 | Lubricated | -20° to 245° | ABEC-1 | 0000000 | 000000 |
| 6306-2Z | 30 | 72 | 19 | Steel | 7,800 | 4,300 | 14,000 | Lubricated | -20° to 245° | ABEC-1 | 0000000 | 000000 |
| 6307-2Z | 35 | 80 | 21 | Steel | 9,100 | 5,300 | 12,600 | Lubricated | -20° to 245° | ABEC-1 | 0000000 | 000000 |
| 6308-2Z | 40 | 90 | 23 | Steel | 11,400 | 6,900 | 11,000 | Lubricated | -20° to 245° | ABEC-1 | 0000000 | 000000 |
| 6309-2Z | 45 | 100 | 25 | Steel | 14,800 | 9,200 | 9,700 | Lubricated | -20° to 245° | ABEC-1 | 0000000 | 000000 |
Sealed | ||||||||||||
| 6000-2RS | 10 | 26 | 8 | Steel | 1,050 | 440 | 32,000 | Lubricated | -40° to 210° | ABEC-1 | 0000000 | 000000 |
| 6001-2RS | 12 | 28 | 8 | Steel | 1,200 | 530 | 30,000 | Lubricated | -40° to 210° | ABEC-1 | 0000000 | 000000 |
| 6002-2RS | 15 | 32 | 9 | Steel | 1,300 | 640 | 24,000 | Lubricated | -40° to 210° | ABEC-1 | 0000000 | 000000 |
| 6003-2RS | 17 | 35 | 10 | Steel | 1,400 | 730 | 22,000 | Lubricated | -40° to 210° | ABEC-1 | 0000000 | 000000 |
| 6004-2RS | 20 | 42 | 12 | Steel | 2,200 | 1,100 | 19,000 | Lubricated | -40° to 210° | ABEC-1 | 0000000 | 000000 |
| 6006-2RZ | 30 | 55 | 13 | Steel | 3,100 | 1,850 | 16,000 | Lubricated | -40° to 210° | ABEC-1 | 0000000 | 000000 |
| 6008-2RZ | 40 | 68 | 15 | Steel | 4,000 | 2,450 | 12,000 | Lubricated | -40° to 210° | ABEC-1 | 0000000 | 000000 |
| 6202-2RS | 15 | 35 | 11 | Steel | 1,800 | 840 | 22,000 | Lubricated | -40° to 210° | ABEC-1 | 0000000 | 000000 |
| 6203-2RS | 17 | 40 | 12 | Steel | 2,200 | 1,050 | 20,000 | Lubricated | -40° to 210° | ABEC-1 | 0000000 | 000000 |
| 6204-2RS | 20 | 47 | 14 | Steel | 3,000 | 1,450 | 17,000 | Lubricated | -40° to 210° | ABEC-1 | 0000000 | 000000 |
| 6205-2RS | 25 | 52 | 15 | Steel | 3,300 | 1,750 | 15,000 | Lubricated | -40° to 210° | ABEC-1 | 0000000 | 000000 |
| 6206-2RZ | 30 | 62 | 16 | Steel | 4,550 | 2,500 | 15,000 | Lubricated | -40° to 210° | ABEC-1 | 0000000 | 000000 |
| 6207-2RZ | 35 | 72 | 17 | Steel | 6,050 | 3,400 | 13,000 | Lubricated | -40° to 210° | ABEC-1 | 0000000 | 000000 |
| 6208-2RZ | 40 | 80 | 18 | Steel | 7,300 | 4,250 | 11,000 | Lubricated | -40° to 210° | ABEC-1 | 0000000 | 000000 |
Wear-Resistant Easy-to-Machine Delrin® Acetal Resin Balls
- Color: White
- Temperature Range: -20° to 180° F
- Tensile Strength: 10,000-11,000 psi (Good)
- Impact Strength: 1-1.5 ft.-lbs./in. (Poor)
- Hardness: Rockwell R120-R122 (Hard)
- For Use Outdoors: No
- Specifications Met: FDA Compliant 21 CFR 177.2480
Able to hold tight tolerances, these balls resist expanding when exposed to heat and moisture. They have a naturally slippery, wear-resistant surface. Use them for bearings and low-load rolling applications. Delrin® acetal resin is also known as acetal homopolymer.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Pkg. Qty. | Pkg. | |
Inch | ||||
|---|---|---|---|---|
| 1/16" | -0.001" to 0.001" | 100 | 000000 | 00000 |
| 3/32" | -0.001" to 0.001" | 100 | 0000000 | 0000 |
| 1/8" | -0.001" to 0.001" | 100 | 0000000 | 0000 |
| 9/64" | -0.001" to 0.001" | 100 | 0000000 | 0000 |
| 5/32" | -0.001" to 0.001" | 100 | 0000000 | 0000 |
| 3/16" | -0.001" to 0.001" | 100 | 0000000 | 0000 |
| 7/32" | -0.001" to 0.001" | 100 | 0000000 | 0000 |
| 1/4" | -0.001" to 0.001" | 100 | 0000000 | 0000 |
| 9/32" | -0.001" to 0.001" | 25 | 0000000 | 0000 |
| 5/16" | -0.001" to 0.001" | 100 | 0000000 | 0000 |
| 3/8" | -0.001" to 0.001" | 100 | 0000000 | 00000 |
| 7/16" | -0.001" to 0.001" | 50 | 0000000 | 00000 |
| 1/2" | -0.001" to 0.001" | 50 | 0000000 | 00000 |
| 9/16" | -0.001" to 0.001" | 25 | 0000000 | 0000 |
| 5/8" | -0.001" to 0.001" | 25 | 000000 | 00000 |
| 3/4" | -0.001" to 0.001" | 10 | 0000000 | 0000 |
| 13/16" | -0.001" to 0.001" | 1 | 0000000 | 0000 |
| 7/8" | -0.001" to 0.001" | 10 | 0000000 | 00000 |
| 15/16" | -0.001" to 0.001" | 1 | 0000000 | 0000 |
| 1" | -0.001" to 0.001" | 10 | 0000000 | 00000 |
| 1 1/8" | -0.002" to 0.002" | 1 | 0000000 | 0000 |
| 1 1/4" | -0.002" to 0.002" | 1 | 0000000 | 0000 |
| 1 1/2" | -0.002" to 0.002" | 1 | 0000000 | 0000 |
| 2" | -0.002" to 0.002" | 1 | 0000000 | 00000 |
Metric | ||||
| 2mm | -0.0254mm to 0.0254mm | 100 | 0000000 | 0000 |
| 3.5mm | -0.0254mm to 0.0254mm | 100 | 0000000 | 0000 |
| 4mm | -0.0254mm to 0.0254mm | 100 | 0000000 | 0000 |
| 5mm | -0.0254mm to 0.0254mm | 100 | 0000000 | 0000 |
| 8mm | -0.0254mm to 0.0254mm | 50 | 0000000 | 0000 |
Wear-Resistant Nylon Balls
- Color: Off-White
- Temperature Range: Not Rated
- Tensile Strength: 11,200-12,300 psi (Good)
- Impact Strength: 0.6-1.4 ft.-lbs./in. (Poor)
- Hardness: Rockwell R108-R121 (Hard)
- For Use Outdoors: No
Use these nylon 6/6 balls as bearings and in sealing applications. They have a slippery surface that reduces wear caused by friction.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Pkg. Qty. | Pkg. | |
Inch | ||||
|---|---|---|---|---|
| 1/16 " | -0.002" to 0.002" | 100 | 0000000 | 000000 |
| 3/32 " | -0.002" to 0.002" | 100 | 0000000 | 0000 |
| 1/8 " | -0.001" to 0.001" | 100 | 0000000 | 0000 |
| 5/32 " | -0.001" to 0.001" | 100 | 0000000 | 0000 |
| 3/16 " | -0.001" to 0.001" | 100 | 0000000 | 0000 |
| 7/32 " | -0.001" to 0.001" | 100 | 0000000 | 0000 |
| 1/4 " | -0.001" to 0.001" | 100 | 0000000 | 0000 |
| 9/32 " | -0.001" to 0.001" | 100 | 0000000 | 00000 |
| 5/16 " | -0.001" to 0.001" | 100 | 0000000 | 00000 |
| 3/8 " | -0.001" to 0.001" | 100 | 0000000 | 00000 |
| 7/16 " | -0.002" to 0.002" | 100 | 0000000 | 00000 |
| 1/2 " | -0.001" to 0.001" | 50 | 0000000 | 00000 |
| 9/16 " | -0.001" to 0.001" | 50 | 0000000 | 00000 |
| 5/8 " | -0.002" to 0.002" | 10 | 0000000 | 0000 |
| 3/4 " | -0.001" to 0.001" | 10 | 0000000 | 0000 |
| 7/8 " | -0.001" to 0.001" | 10 | 0000000 | 00000 |
| 1 " | -0.001" to 0.001" | 5 | 0000000 | 0000 |
| 1 1/2 " | -0.002" to 0.002" | 1 | 0000000 | 0000 |
| 1 3/4 " | -0.002" to 0.002" | 1 | 0000000 | 00000 |
| 2 " | -0.002" to 0.002" | 1 | 0000000 | 00000 |
Metric | ||||
| 2 mm | -0.002" to 0.002" | 100 | 0000000 | 0000 |
| 5 mm | -0.001" to 0.001" | 100 | 0000000 | 00000 |
| 6 mm | -0.001" to 0.001" | 25 | 0000000 | 00000 |
Moisture-Resistant Polyethylene (HDPE) Balls
- Color: Semi-Clear White
- Temperature Range: Not Rated
- Tensile Strength: 3,920-4,200 psi (Poor)
- Impact Strength: 1.1-1.94 ft.-lbs./in. (Poor)
- Hardness: Rockwell R40-R80 (Medium)
- For Use Outdoors: No
Often used in check valves, relief valves, and float valves, these balls won’t swell when exposed to water. HDPE offers good chemical resistance.
For technical drawings and 3-D models, click on a part number.
Chemical-Resistant Slippery PTFE Balls
- Color: White
- Max. Temperature: 500° F
- Tensile Strength: See Table (Poor)
- Impact Strength: 3.5 ft.-lbs./in. (Good)
- Hardness: Durometer 50D-65D (Medium Soft)
- For Use Outdoors: Yes
Offering a nonstick, slippery surface, these PTFE balls are often used as bearings and in ball valves. They offer superior chemical resistance and perform well in extreme temperatures. These balls are also excellent electrical insulators.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Tensile Strength | Pkg.Qty. | Pkg. | |
| 1/16" | -0.002" to 0.002" | 2,000-3,480 psi | 100 | 0000000 | 000000 |
| 3/32" | -0.002" to 0.002" | 2,000-3,480 psi | 100 | 0000000 | 00000 |
| 1/8" | -0.002" to 0.002" | 2,000-3,480 psi | 100 | 0000000 | 00000 |
| 5/32" | -0.002" to 0.002" | 2,000-3,480 psi | 100 | 0000000 | 00000 |
| 3/16" | -0.002" to 0.002" | 2,000-3,480 psi | 50 | 0000000 | 00000 |
| 1/4" | -0.002" to 0.002" | 2,000-3,480 psi | 50 | 0000000 | 00000 |
| 5/16" | -0.002" to 0.002" | 2,000-3,480 psi | 25 | 0000000 | 0000 |
| 3/8" | -0.002" to 0.002" | 2,000-3,480 psi | 20 | 0000000 | 0000 |
| 1/2" | -0.002" to 0.002" | 2,000-3,480 psi | 10 | 0000000 | 0000 |
| 5/8" | -0.002" to 0.002" | 2,000-3,480 psi | 5 | 0000000 | 00000 |
| 3/4" | -0.002" to 0.002" | 2,000-3,480 psi | 1 | 0000000 | 0000 |
| 1" | -0.002" to 0.002" | 2,000-3,480 psi | 1 | 0000000 | 0000 |
| 1 1/8" | -0.005" to 0.005" | 3,000-5,000 psi | 1 | 0000000 | 00000 |
| 1 1/4" | -0.005" to 0.005" | 2,000-3,480 psi | 1 | 0000000 | 00000 |
| 1 1/2" | -0.005" to 0.005" | 2,000-3,480 psi | 1 | 0000000 | 00000 |
| 1 3/4" | -0.005" to 0.005" | 3,000-5,000 psi | 1 | 0000000 | 00000 |
| 2" | -0.005" to 0.005" | 3,000-5,000 psi | 1 | 0000000 | 000000 |
| 2 1/4" | -0.005" to 0.005" | 3,000-5,000 psi | 1 | 0000000 | 000000 |
| 2 1/2" | -0.005" to 0.005" | 3,000-5,000 psi | 1 | 0000000 | 000000 |
| 3" | -0.005" to 0.005" | 3,000-5,000 psi | 1 | 0000000 | 000000 |
| 4" | -0.005" to 0.005" | 3,000-5,000 psi | 1 | 0000000 | 000000 |
Scratch- and UV-Resistant Acrylic Balls
- Color: Clear
- Max. Temperature: See table
- Tensile Strength: See table
- Impact Strength: 0.040 ft.-lbs./in. (Poor)
- Hardness: See table
- For Use Outdoors: Yes
- Specifications Met: UL 94 HB
A lightweight alternative to glass balls, acrylic balls maintain clarity over time. They are scratch and UV resistant, so they stand up to outdoor use better than polycarbonate.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Maximum Temperature, °F | Tensile Strength | Hardness | Pkg. Qty. | Pkg. | |
Semi-Clear | |||||||
|---|---|---|---|---|---|---|---|
| 1/16" | -0.002" to 0.002" | 180° | 9,195-11,030 psi (Good) | Rockwell M89-M96 (Hard) | 500 | 0000000 | 000000 |
| 1/8" | -0.002" to 0.002" | 180° | 9,195-11,030 psi (Good) | Rockwell M89-M96 (Hard) | 250 | 0000000 | 00000 |
| 3/16" | -0.002" to 0.002" | 180° | 9,195-11,030 psi (Good) | Rockwell M89-M96 (Hard) | 100 | 0000000 | 00000 |
| 1/4" | -0.002" to 0.002" | 180° | 9,195-11,030 psi (Good) | Rockwell M89-M96 (Hard) | 100 | 0000000 | 00000 |
| 3/8" | -0.002" to 0.002" | 180° | 9,195-11,030 psi (Good) | Rockwell M89-M96 (Hard) | 50 | 0000000 | 00000 |
| 1/2" | -0.002" to 0.002" | 180° | 9,195-11,030 psi (Good) | Rockwell M89-M96 (Hard) | 25 | 0000000 | 00000 |
| 5/8" | -0.002" to 0.002" | 180° | 9,195-11,030 psi (Good) | Rockwell M89-M96 (Hard) | 25 | 0000000 | 00000 |
| 3/4" | -0.002" to 0.002" | 180° | 9,195-11,030 psi (Good) | Rockwell M89-M96 (Hard) | 10 | 0000000 | 00000 |
| 1" | -0.002" to 0.002" | 180° | 9,195-11,030 psi (Good) | Rockwell M89-M96 (Hard) | 5 | 0000000 | 00000 |
Clear | |||||||
| 3/4" | -0.005" to 0.005" | 145° | 8,100 psi (Good) | Rockwell M80-M100 (Hard) | 10 | 0000000 | 00000 |
| 1" | -0.005" to 0.005" | 145° | 8,100 psi (Good) | Rockwell M80-M100 (Hard) | 5 | 0000000 | 00000 |
| 2" | -0.01" to 0.01" | 145° | 8,100 psi (Good) | Rockwell M80-M100 (Hard) | 1 | 0000000 | 00000 |
Clear Impact-Resistant Polycarbonate Balls
- Color: Clear
- Temperature Range: 0° to 240° F
- Tensile Strength: 8,900-9,500 psi (Good)
- Impact Strength: 12-18 ft.-lbs./in. (Excellent)
- Hardness: Rockwell R118 (Hard)
- For Use Outdoors: No
Offering excellent impact resistance across a wide temperature range, these polycarbonate balls are only half the weight of glass. This material is comparable to Lexan, Hyzod, Tuffak, and Makrolon.
For technical drawings and 3-D models, click on a part number.