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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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2 in stock
RHP 7226TDUMP4 matched pair of super precision angular contact ball bearings, 130 x 230 x 40 mm each, DUM medium preload, phenolic cage, EP7 / ABEC 7.
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$2,646.87
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| MFR / Brand | RHP |
|---|---|
| MPN | 7226TDUMP4 |
| Model | 7226 T DUM P4 / B-7226-T-P4S-DUM / MM9126 WI CR DUM |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 130 mm |
| OD | 230 mm |
| Width | 40 mm |
| Series | 7200 (ISO 72 light section) |
|---|---|
| Preload | Medium |
| Base Number | 7226 |
| Industry Terms | Spindle bearing; super-precision angular contact bearing; duplex matched pair; large machine tool spindle bearing |
| Application Types | Large machine tool spindles; boring mills; vertical turning centres; precision rotary tables |
| Bore Shaft Size | 130 mm (5.1181 in) |
| Mpn Variants | 7226TDUMP4; 7226-T-DUM-P4; 7226 T DUM P4; B-7226-TA-DUM-EP7; B7226TADUMEP7; B-7226-T-P4S-DUM; MM9126WI CR DUM; MM9126 WI CR DUM |
| Precision Class | ABEC 7 / P4 (EP7) |
| Additional Attributes | Universally ground duplex pair; medium preload; stacked width 80 mm; carton also marked B-7226-TA-DUM-EP7 and MM9126 WI CR DUM |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 per bearing, 2 rows across the pair |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Part Number | 7226TDUMP4 |
| Common Misspellings | RPH 7226TDUMP4; RHP 7226TDMUP4; RHP 7226TDUMP; 7226TDUM P4; RHP7226TDUMP4 |
| Cross Reference 1 | SKF 7226 CD/P4A (15 deg) |
|---|---|
| Cross Reference 2 | FAG B7226-C-T-P4S-DUM (15 deg) |
| Cross Reference 3 | Fafnir MM9126WI CR DUM |
RHP 7226TDUMP4 is a matched pair of two super precision angular contact ball bearings, DUM duplex universally ground at medium preload, single row each, open. Each bearing: 130 mm bore, 230 mm outside diameter, 40 mm width; stacked width across the pair 80 mm. ISO 72 series, light section. Unit Quantity: 2 Pcs.
7226 — 130 mm bore in the ISO 72 dimension series.
T — machined laminated phenolic cage.
DUM — duplex universally ground pair at medium preload.
P4 — EP7 precision, ABEC 7 / ISO P4.
B-7226-TA-DUM-EP7 — RHP B-series form carried on the carton; TA is the outer-ring-centred phenolic cage and EP7 the same precision class.
MM9126 WI CR DUM — Fafnir form carried on the carton; CR is a phenolic cage, MM is P4.
Bore Diameter: 130 mm. Outside Diameter: 230 mm. Width: 40 mm per bearing. Total Width: 80 mm across the pair. Precision Class: ABEC 7 / P4 (EP7). Preload: Medium. Cage Material: Phenolic. Rolling Elements: Ball. Number Of Rows: 1 per bearing. Closure Type: Open. Bore Type: Straight. Unit Quantity: 2 Pcs.
Universally ground, so the two bearings mount back-to-back, face-to-face or in tandem and reach medium preload on assembly without shims. Straight bore, open on both faces.
130 x 230 x 40 mm in other schemes: SKF 7226 CD/P4A and FAG B7226-C-T-P4S-DUM (both 15° executions), Fafnir MM9126WI CR DUM. Written forms in circulation: 7226TDUMP4, 7226 T DUM P4, 7226-T-DUM-P4, B-7226-TA-DUM-EP7, B7226TP4SDUM.
130 mm bore, 230 mm outside diameter and 40 mm width per bearing; the pair stacks to 80 mm.
DUM is a duplex universally ground pair at medium preload.
P4 and EP7 are the same class: ABEC 7 / ISO P4.
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Our team can locate, cross-reference, and source all parts.
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