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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1 in stock
RHP 7011-E-T-DUM-P4 super-precision angular contact bearing, matched pair, 55x90x18 mm each, 25 deg contact angle, medium preload, phenolic cage, open.
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$254.37

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| MFR / Brand | RHP |
|---|---|
| MPN | 7011-E-T-DUM-P4 |
| Model | 7011 E T DUM P4 / B7011X3 TA DUM EP7 / 3MM9111WI CR DUM |
| Bearing Type | Super-Precision Angular Contact Ball Bearing Pair, Open |
| ID | 55 mm |
| OD | 90 mm |
| Width | 18 mm per bearing, 36 mm assembled pair |
| Material | Chrome Steel |
|---|---|
| Series | RHP 7000 (ISO 70 light series) |
| Lubricant | Oil or Grease |
| Preload | Medium |
| Base Number | 7011 |
| Industry Terms | Super precision spindle bearing, machine tool bearing, matched duplex pair, medium preload angular contact, phenolic cage bearing |
| Common Misspellings | RHP Ransome Hoffmann Pollard, R.H.P., 7011ETDUM P4, 7011 ET DUMP4 |
| Bore Shaft Size | 55 mm (2.1654 in) |
| Mpn Variants | 7011ETDUMP4, 7011-E-T-DUM-P4, 7011E T DUM P4, B7011X3TADUMEP7, B7011X3-TA-DUM-EP7, 7011E |
| Arrangement Configuration | DUM universally matchable duplex pair |
| Precision Class | P4 (ABEC 7) |
| Precision Rating | ABEC 7 |
| Rolling Elements | Steel Balls |
| Cage Material | Phenolic |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Part Number | 7011-E-T-DUM-P4 |
| Closure Type | Open |
| Cross Reference 1 | SKF 7011 ACD/P4ADGC - medium preload |
|---|---|
| Cross Reference 2 | FAG B7011-E-T-P4S-DUM |
| Cross Reference 3 | Fafnir 3MM9111WI-CR-DUM |
| Cross Reference 4 | SKF 7011 CD/P4A - 15° vs 25° contact angle |
RHP 7011-E-T-DUM-P4 is a matched pair of two super-precision single-row angular contact ball bearings. Each bearing is 55 mm bore, 90 mm outside diameter and 18 mm wide, 36 mm across the assembled pair, with a 25° contact angle, open faces, a phenolic cage and medium preload. Unit Quantity: 2 Pcs. The carton also carries B7011X3-TA-DUM-EP7 and Fafnir 3MM9111WI-CR-DUM.
7011 — ISO 7011 size, 55 x 90 x 18 mm.
E — 25° contact angle in the RHP scheme.
T — phenolic cage.
DUM — universally matchable duplex pair, M = medium preload.
P4 — ABEC 7 precision class.
B7011X3-TA-DUM-EP7 — RHP B-series carton designation: X3 = 25° contact angle, TA = outer-ring-centred phenolic cage, DUM = universally matchable duplex pair at medium preload, EP7 = ABEC 7.
Bore Diameter: 55 mm. Outside Diameter: 90 mm. Width: 18 mm per bearing, 36 mm assembled pair. Contact Angle: 25°. Preload: Medium. Precision Class: P4 (ABEC 7). Cage Material: Phenolic. Closure Type: Open. Number Of Rows: 1 per bearing. Unit Quantity: 2 Pcs. Country of Origin: United Kingdom.
Universally matchable duplex construction: the pair mounts back-to-back, face-to-face or in tandem, and the ground faces set the medium preload when clamped. The preload-set pair carries no internal clearance class.
Cross-references: SKF 7011 ACD/P4ADGC (medium preload), FAG B7011-E-T-P4S-DUM, Fafnir 3MM9111WI-CR-DUM. SKF 7011 CD/P4A shares the 55 x 90 x 18 mm envelope at a 15° contact angle.
Each bearing is 55 mm bore, 90 mm outside diameter and 18 mm wide, with a 25° contact angle.
Two bearings supplied as one matched DUM pair.
E is a 25° contact angle, T is a phenolic cage, DUM is a universally matchable duplex pair at medium preload, and P4 is the ABEC 7 precision class.
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Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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