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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Availability:
2 in stock
Super-precision angular contact ball bearing pair, 20 x 42 x 12 mm, 25° contact angle, light preload, outer-ring-guided laminated phenolic cage.
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$110.02
2 in stock
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| MFR / Brand | RHP |
|---|---|
| MPN | 7004ETDULP4 |
| GTIN | 747023061891 |
| Model | B7004 X3 TADUL EP7 3MM9104WI DUL 7004 E T DUL P4 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 20 mm |
| OD | 42 mm |
| Width | 12 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 |
| Base Number | 7004 |
| Bore Shaft Size | 20 mm |
| Mpn Variants | 7004E, 7004-E-T-DUL-P4, B7004X3TADULEP7, 3MM9104WI DUL |
| Rolling Elements | Ball |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Cross Reference 1 | SKF 7004 ACD/P4ADGA |
|---|---|
| Cross Reference 2 | FAG B7004-E-T-P4S-DUL |
| Cross Reference 3 | NSK 7004A5TRDULP4 |
RHP 7004ETDULP4 is a super-precision single-row angular contact ball bearing supplied as a matched duplex pair, 20 mm bore by 42 mm outside diameter by 12 mm width, 25° contact angle, light preload. Unit Quantity: 2 Pcs.
7004 — single-row angular contact, ISO dimension series 10, bore code 04 for a 20 mm bore.
E — 25° contact angle.
T — outer-ring-guided laminated phenolic resin cage.
DU — universally ground paired unit.
L — light preload.
P4 — precision grade, equivalent to ABEC 7 and ISO Class 4.
Bore Diameter: 20 mm. Outside Diameter: 42 mm. Width: 12 mm. Contact Angle: 25°. Precision Class: P4, equivalent to ABEC 7 and ISO Class 4. Dynamic Load Rating: 10.6 kN. Static Load Rating: 6.25 kN. Cage Material: Laminated phenolic resin. Cage Type: Outer ring guided. Bore Type: Straight. Closure Type: Open. Rolling Elements: Steel balls. Number Of Rows: 1. Series: 7000, ISO dimension series 10. Limiting Speed: 47,400 r/min oil-air; 29,300 r/min grease. Preload: Light, 78 N axial. Axial Stiffness: 68 N/µm. Item Weight: 0.069 kg (0.15 lbs) each. Unit Quantity: 2 Pcs.
Shaft abutment diameter d1: 25 mm minimum. Housing abutment diameter D1: 37 mm maximum. Outer ring abutment D2: 39.5 mm maximum. Chamfer r: 0.6 mm minimum. Chamfer r1: 0.3 mm minimum. Effective Load Centre a: 13.2 mm. Internal volume: 3.1 cm³. Bore deviation to P4: −5 µm. Radial runout of the assembled inner ring: 4 µm. Universal face control: the pair mounts back-to-back, face-to-face or in tandem at the same preload value. Back-to-back at light preload the speed factor is 0.80 of the single-bearing figure.
SKF 7004 ACD/P4ADGA — 25° execution, same envelope and precision. FAG B7004-E-T-P4S-DUL — 25° execution, same envelope and precision. NSK 7004A5TRDULP4 — 25° execution, same envelope and precision. RHP 7004C — 15° contact angle in the same 20 x 42 x 12 mm envelope, oil-air limiting speed 53,600 r/min. Searchable variants: 7004E, 7004-E-T-DUL-P4, 7004 ET DUL P4, B7004X3TADULEP7, 3MM9104WI DUL.
25°, from the E in the designation.
47,400 r/min on oil-air lubrication and 29,300 r/min on grease, for a single bearing.
Two bearings, a matched duplex pair at light preload.
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