Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
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RHP 7006ETDUMP4 angular contact ball bearing, 30 mm bore, 55 mm OD, 13 mm width, 25° contact angle, ABEC 7 / P4, medium preload, one from a duplex pair.
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| MFR / Brand | RHP |
|---|---|
| MPN | 7006ETDUMP4 |
| Model | 7006-E-T-DUM-P4 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 30 mm |
| OD | 55 mm |
| Width | 13 mm |
| Series | 7000 |
|---|---|
| Lubricant | Oil Preservative |
| Preload | Medium |
| Material | Chrome Steel |
| Precision Class | ABEC 7 / P4 |
| Additional Attributes | Extra-light (10) dimension series; one bearing from a duplex-ground medium-preload factory pair; ratings per RHP catalogue C859 Table 9 |
| Cage Type | Machined, outer-ring guided |
| Dynamic Load Rating | 14,400 N |
| Static Load Rating | 9,800 N |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Limiting Speed | 22,900 rpm grease; 37,000 rpm oil |
| Duty Type | Precision |
| Contact Angle | 25° |
| Industry Terms | angular contact ball bearing; super-precision bearing; duplex bearing; matched pair bearing; spindle bearing; P4 precision bearing |
| Common Misspellings | RPH 7006ETDUMP4; RHB 7006ETDUMP4; 7006 ETDUM P4; RHP 7006E TDUM P4 |
| Application Types | machine tool spindles; precision spindles; high-speed shafts |
| Overall Width | 13 mm |
| Mpn Variants | 7006ETDUMP4; 7006ETDUMP4-1/2PR; 7006E; 7006-E-T-DUM-P4; 7006 E T DUM P4; B7006X3TADUMEP7 |
| Closure Type | Open |
RHP 7006ETDUMP4 single-row angular contact ball bearing, extra-light (10) dimension series. Bore Diameter: 30 mm. Outside Diameter: 55 mm. Overall Width: 13 mm. One bearing from a duplex-ground, medium-preload factory pair. Unit Quantity: 1 Pc.
7006 — ISO size code for the 30 x 55 x 13 mm extra-light envelope.
E — RHP’s legacy notation for a 25° contact angle, equivalent to the current A5 code.
T — generic phenolic cage.
DU — duplex. Two single-row bearings ground as a matched pair, mounted facing the same direction.
M — medium preload.
P4 — ABEC 7 / ISO P4 precision class (RHP code EP7).
1/2PR — one bearing from a pair.
Bearing Type: Angular contact ball bearing. Rolling Elements: Ball. Number Of Rows: 1. Closure Type: Open. Contact Angle: 25°. Precision Class: ABEC 7 / P4. Cage Material: Phenolic. Cage Type: Machined, outer-ring guided. Preload: Medium, 200 N axial preload force.
Dynamic Load Rating: 14,400 N. Static Load Rating: 9,800 N. Limiting Speed: 22,900 rpm grease; 37,000 rpm oil. Unit Quantity: 1 Pc.
Bore Diameter: 30 mm. Outside Diameter: 55 mm. Overall Width: 13 mm.
RHP alternate designation: B7006X3TADUMEP7. Designation variants: 7006ETDUMP4, 7006ETDUMP4-1/2PR, 7006E, 7006-E-T-DUM-P4, 7006 E T DUM P4.
30 mm bore, 55 mm outside diameter, 13 mm wide.
25°. E is RHP’s legacy code for a 25° contact angle, equivalent to the current A5 code.
One bearing from a duplex-ground, medium-preload factory pair.
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