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#CODE
- Discontinued Products
Ball Bearings - Plastic, Double-Sealed. (UKB6903ZZ)
- Volume Discount
- Lead Time Reduction
For complete product overview and details on Plastic Ball Bearing - UHMW, PTFE, PEEK (MISUMI) see the sections below:
- inCAD Components
Part Number
Configured Part Number is shown.
UKB6903ZZ
・Materials
[ ! ]As the resin part may expand due to temperature, these specifications have a large clearance.
| Type | [ M ]Material | Operating Temp. | ||
| Main Body | Retainer | Rolling Element | ||
| UKB6_ _ _ZZ | UHMW | Soda-lime Glass | -50°C~+60°C | |
| PTN6_ _ _ZZ | PTFE | Alumina Ceramics | -40°C~+150°C | |
| PKB6_ _ _ZZ | PEEK | -50°C~+180°C | ||
Specifications
| Part Number |
| UKB6002ZZ |
| Part Number | d | D | B | c | Relative Dimensions | Allowable Load (kgf/1 pc.) | Allowable Rotational Speed (rpm) Values in ( ) are those in underwater. | Mass (g) (Reference) | ||||||||||||
| Tolerance | Tolerance | Tolerance | Ds | dh (max) | ||||||||||||||||
| Type | Bearing No. | (min) | (max) | UKB | PTN | PKB | UKB | PTN | PKB | UKB | PTN | PKB | ||||||||
| UKB UHMW Water Resistant, Nonmagnetic PTN PTFE Heat Resistant, Chemical Resistant PKB PEEK Heat Resistant, Chemical Resistant | 624ZZ | 4 | ±0.03 | 13 | +0.08 0 | 5 | ±0.1 | 0.3 | 5 | 6 | 12 | 0.29 | - | - | 1120(3140) | - | - | 0.55 | - | - |
| 625ZZ | 5 | 16 | 6 | 7.4 | 14 | 0.6 | 0.4 | 1.5 | 900(2540) | 540 | 1800 | 0.9 | 1.9 | 1.3 | ||||||
| 605ZZ | 14 | 6.8 | 13 | 0.4 | - | - | 1000(2800) | - | - | 0.65 | - | - | ||||||||
| 626ZZ | 6 | 19 | 6 | 7 | 9 | 17 | 0.7 | 0.5 | 1.5 | 760(2140) | 450 | 1500 | 1.5 | 3.1 | 2.0 | |||||
| 606ZZ | 17 | 8.4 | 16 | 0.7 | - | - | 830(2320) | - | - | 1.2 | - | - | ||||||||
| 696ZZ | 15 | 5 | 7.8 | 14 | 0.5 | - | - | 900(2540) | - | - | 0.75 | - | - | |||||||
| 628ZZ | 8 | 24 | 8 | 9 | 12 | 22 | 1.3 | 0.8 | 2.8 | 600(1670) | 350 | 1200 | 3.2 | 6.7 | 4.4 | |||||
| 608ZZ | 22 | 7 | 10.7 | 20 | 1.3 | - | - | 630(1780) | - | - | 2.4 | - | - | |||||||
| 698ZZ | 19 | 6 | 10.6 | 18 | 0.6 | - | - | 700(1980) | - | - | 1.3 | - | - | |||||||
| 6200ZZ | 10 | 30 | 9 | 12 | 15.3 | 28 | 2.2 | - | - | 460(1300) | - | - | 5.6 | - | - | |||||
| 6000ZZ | 26 | 8 | 13.8 | 24 | 1.3 | 0.8 | 3.0 | 520(1470) | 310 | 1000 | 3.5 | 7.7 | 5.1 | |||||||
| 6900ZZ | 22 | 6 | 12.6 | 21 | 1.3 | - | - | 590(1670) | - | - | 1.9 | - | - | |||||||
| 6201ZZ | 12 | 32 | +0.1 0 | 10 | 14 | 16.3 | 30 | 2.5 | - | - | 430(1210) | - | - | 7 | - | - | ||||
| 6001ZZ | 28 | +0.08 0 | 8 | 15.5 | 26 | 1.6 | 1 | 4.0 | 470(1330) | 280 | 950 | 4 | 8.5 | 5.6 | ||||||
| 6901ZZ | 24 | 6 | 14.8 | 21 | 1.2 | - | - | 530(1480) | - | - | 1.9 | - | - | |||||||
| 6202ZZ | 15 | 35 | +0.1 0 | 11 | 17 | 19.4 | 33 | 3 | - | - | 380(1070) | - | - | 8.8 | - | - | ||||
| 6002ZZ | 32 | 9 | 18.6 | 30 | 2.5 | 1.5 | 5.5 | 400(1140) | 240 | 810 | 5.7 | 11.0 | 7.8 | |||||||
| 6902ZZ | 28 | +0.08 0 | 7 | 18.2 | 26 | 1.6 | - | - | 440(1240) | - | - | 3 | - | - | ||||||
| 6203ZZ | 17 | ±0.04 | 40 | +0.12 0 | 12 | 19 | 22.6 | 38 | 4 | - | - | 330(930) | - | - | 12.8 | - | - | |||
| 6003ZZ | 35 | +0.1 0 | 10 | 21 | 33 | 3 | 1.8 | 6.5 | 360(1000) | 220 | 730 | 7.3 | 14.2 | 9.4 | ||||||
| 6903ZZ | 30 | +0.08 0 | 7 | 20 | 28 | 2 | - | - | 400(1130) | - | - | 3.3 | - | - | ||||||
| 6204ZZ | 20 | 47 | +0.12 0 | 14 | 22 | 26.5 | 43 | 5 | - | - | 280(790) | - | - | 20 | - | - | ||||
| 6004ZZ | 42 | 12 | 0.5 | 25 | 38 | 3.6 | 2.3 | 8.0 | 300(860) | 180 | 610 | 12.6 | 24.6 | 16.2 | ||||||
| 6904ZZ | 37 | +0.1 0 | 9 | 0.3 | 23.6 | 35 | 3.3 | - | - | 330(930) | - | - | 6.8 | - | - | |||||
[ ! ]The tolerance above is the dimension at standard temperature 24°C±1°C at the time of manufacture. [ ! ]The allowable values are for reference, not guaranteed.
[ ! ]Soda-lime glass may be broken when temperature changes rapidly. [ ! ]Exporting PKB6_ _ _ZZ(Material PEEK) requires export application to the Ministry of Economy, Trade and Industry.
[ ! ]kgf=Nx0.101972
■Characteristic Values of Plastic Ball Bearing Material
[ ! ]Listed values are for reference, not guaranteed.
■Performance Comparison of Bearings for Special Environments
[ ! ]Some bearings may not be suitable for a certain concentration, temperature or application variables.
(◎: Excellent ○: Good △: Questionable X: Poor)
| Item | UHMW | PEEK | PTFE | Soda-lime Glass | Alumina Ceramics |
| Specific Gravity | 0.94 | 1.32 | 2.14~2.20 | 2.5 | 3.9 |
| Tension Strength (kgf/cm2) | 460 | 1000 | 210~350 | 600 | - |
| Elongation (%) | 400 | 20 | 200~400 | - | - |
| Compression Strength (kgf/cm2) | - | 1210 | 120 | 9000 | 25000 |
| Compression Elasticity Modulus (kgf/cm2) | 9170 | 42000 | 4200 | - | - |
| Bending Strength (kgf/cm2) | 250 | 1730 | - | - | - |
| Izod Impact Strength Test | Does not break | 20 | 15.8 | - | - |
| Hardness | R Scale 56 | R Scale 120 | Durometer D 50~55 | Mohs Hardness 6.5 | Vickers Hardness 1800(kgf/mm2) |
| Deflection Temperature under Load (°C) 0.45MPa | 80(0.45MPa) | 155(1.82MPa) | - | - | - |
| Thermal Linear Expansion Coefficient | 1.7x10-4 | 5.0x10-5 | 12.4x10-5 | - | 7.8x10-6 |
| Heat Resistance Temperature (°C) | -100~80 | -50~250 | -40~260 | -50~60 | -50~1600 |
■Performance Comparison of Bearings for Special Environments
| Part Number | Inner/Outer Rings | Shield | Rolling Element | Retainer | Low Particle Generation | Abrasion Resistance | Corrosion Resistance and Chemical Resistance | Heat Resistance | Vacuum | Insulation | Non-magnetic | High Load | High Rotational Speed | ||||||
| Acid | Alkali | Solvent | Seawater | Water | |||||||||||||||
| Hydrochloric Acid | Sulfuric Acid | Nitric Acid | |||||||||||||||||
| UKB6_ _ _ZZ | UHMW | - | Soda-lime Glass | UHMW | ○ | ○ | △ | △ | △ | × | ◎ | ◎ | ◎ | × (-50~+60°C) | × | ◎ | ◎ | × | × |
| PKB6_ _ _ZZ | PEEK | - | Alumina Ceramics | PEEK | ○ | ○ | ○ | ○ | ○ | ◎ | ◎ | ◎ | ◎ | ○ (-30~+180°C) | × | ◎ | ◎ | × | × |
| PTN6_ _ _ZZ | PTFE | - | Alumina Ceramics | PTFE | △ | △ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ◎ | ○ (-50~+150°C) | × | ◎ | ◎ | × | × |
(◎: Excellent ○: Good △: Questionable X: Poor)
Part Number
CAD Data download and 3D preview are not available because the part number has not yet been determined.
- *In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
- Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.
Loading...
| Part Number |
|---|
| UKB6903ZZ |
Loading...
Basic Information
| Type | Ball | Bearing Style | Double Shielded | Outer Ring Shape | Standard |
|---|---|---|---|---|---|
| Precision | Class 0 | Load Direction | Radial | Number of Raceway Ring Rows | Single Track |
| Size Standards | Metric Series | Seal Part Structure | Double Shielded |
Please check the type/dimensions/specifications of the part UKB6903ZZ in the Ball Bearings - Plastic, Double-Sealed. series.
Specification/Dimensions
-
Specifications, Environment
- Standard
- Heat Resistance
- Water Resistance
- Non-magnetic
- Dust Resistant
-
type
- PKB6000ZZ
- PKB6001ZZ
- PKB6002ZZ
- PKB6003ZZ
- PKB6004ZZ
- PKB625ZZ
- PKB626ZZ
- PKB628ZZ
- PTN6000ZZ
- PTN6001ZZ
- PTN6002ZZ
- PTN6003ZZ
- PTN6004ZZ
- PTN625ZZ
- PTN626ZZ
- PTN628ZZ
- UKB6000ZZ
- UKB6001ZZ
- UKB6002ZZ
- UKB6003ZZ
- UKB6004ZZ
- UKB605ZZ
- UKB606ZZ
- UKB608ZZ
- UKB6200ZZ
- UKB6201ZZ
- UKB6202ZZ
- UKB6203ZZ
- UKB6204ZZ
- UKB624ZZ
- UKB625ZZ
- UKB626ZZ
- UKB628ZZ
- UKB6900ZZ
- UKB6901ZZ
- UKB6902ZZ
- UKB6903ZZ
- UKB6904ZZ
- UKB696ZZ
- UKB698ZZ
-
Inner/Outer Ring Material
- Resin
- Resin
-
I.D. d(Ø)
-
O.D. D(Ø)
-
Width B (or T)(mm)
-
Rolling Element Material
- Ceramics
- Soda-Lime Glass
- Ceramics
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 6 Days or Less
- 8 Days or Less
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Frequently asked questions (FAQ)
- 質問: What is the Inner and Outer bearing tolerance for Class 0 bearings?
- 回答: The bearing tolerance can be found at: https://us.misumi-ec.com/pdf/fa/2010/p3499.pdf
Products like this...
| Part Number |
|---|
| PKB6002ZZ |
| PKB6003ZZ |
| PKB6004ZZ |
| PKB625ZZ |
| UKB6904ZZ |
| UKB698ZZ |
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- Thrust Ball Bearings - 51 Series, Single Row, Open.
- Deep groove ball bearings 62, main dimensions to DIN625-1
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Complementary Products
Tech Support
- Technical Support
- Tel：+52-442-672-7661 ext. 2 then wait and dial 4
E-mail: soportetecnico@misumimex.com - Mon. - Fri. 8 a.m. - 6 p.m.
- Technical Inquiry
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