Central Surplus Bearing Finder
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Duplex-ground matched super precision angular contact ball bearing unit, ABEC 7 / ISO Class 4, medium preload, machined phenolic cage, open, straight bore.
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$126.92
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Here are some other options that might fit your project — cross-referenced equivalents and similar parts we have in stock and ready to ship. Need help choosing? Call 585-295-7880.
Angular Contact Ball Bearing - 17 mm ID, 35 mm OD, 10 mm Width, 15° Contact Angle, Light Preload, ABEC 7 / P4, Phenolic Cage, Open.$59.64
Super-Precision Angular Contact Ball Bearing - 17 mm ID, 35 mm OD, 10 mm Width, Open, 15° Contact Angle, Light Preload, ABEC 7$67.29
Angular Contact Bearing - 17 mm ID, 35 mm OD, 10 mm Width, Open, 15° Contact Angle$67.29
Angular Contact Ball Bearing — 17 mm ID, 35 mm OD, 10 mm Width, Open, 15° Contact Angle, Light Preload, Phenolic Outer-Ring-Guided Cage, P4 Class$134.57| MFR / Brand | RHP |
|---|---|
| MPN | 7003TDUMP4 |
| Model | 7003 T DUM P4 / MM9103WI CR DUM / 7003 T DUM EP7 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 17 mm |
| OD | 35 mm |
| Width | 10 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7000 |
| Preload | Medium |
| Total Width | 20 mm (0.7874 in) pair clamped |
| Base Number | 7003 |
| Industry Terms | Super precision bearing; spindle bearing; duplex pair; matched set; machine tool bearing; precision angular contact; 40 degree angular contact; thrust bearing |
| Common Misspellings | 7003 TDUM P4; 7003TDUM P4; RHP 7003 T DUMP4; 7003TDUNP4 |
| Application Types | Machine tool spindles; axially loaded precision shafts; ball screw and lead screw supports; vertical shafts carrying thrust |
| Bore Shaft Size | 17 mm (0.6693 in) |
| Mpn Variants | 7003TDUMP4; 7003-T-DUM-P4; 7003 T DUM P4; 7003TDUMEP7; 7003TDUM; 7003 |
| Arrangement Configuration | Duplex paired unit (DU) |
| Precision Class | P4 (ABEC 7 / ISO Class 4); RHP class code EP7 |
| Closure Type | Open |
| Cage Type | Machined, outer ring guided |
| Precision Rating | P4 (ABEC 7 / ISO Class 4); RHP class code EP7 |
| Rolling Elements | Ball |
| Max Temp | 120 °C |
| Item Weight | 0.040 kg (0.088 lb) |
| Cage Material | Laminated phenolic resin |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50.68 |
| Design Units | Metric |
| Bearing Class | P4 (ISO Class 4) |
| Bearing Material | Carbon chrome bearing steel |
| Part Number | 7003TDUMP4 |
RHP 7003TDUMP4 super-precision angular contact ball bearings supplied as a duplex-ground matched unit. Bore: 17 mm. Outside Diameter: 35 mm. Overall Width: 10 mm. Number Of Rows: 1 per bearing. Precision Class: P4 (ABEC 7 / ISO Class 4); RHP class code EP7. Cage Type: machined, outer ring guided. Cage Material: laminated phenolic resin. Preload: medium (M). Closure Type: open on both faces. Snap Ring Included: No. Bore Type: straight. Rolling Elements: carbon chrome bearing steel balls. Bearing Material: carbon chrome bearing steel, BS970 534A99/535A99 or SAE 52100. Series: RHP 70, ISO dimension series 10. Design Units: metric. Item Weight: 0.040 kg (0.088 lb) per bearing. Harmonization Code: 8482.10.50.68.
Type 7: single-row angular contact ball bearing. Dimension series 0: ISO dimension series 10. Bore code 03: 17 mm bore. Cage T: laminated phenolic resin, outer ring guided. Grouping DU: duplex universal paired unit. Preload M: medium grade. Precision grade P4: ISO Class 4, ABEC 7, British Standard EP7. The alternate carton number 7003TDUMEP7 confirms the tolerance class independently.
Medium preload sits between the light and heavy grades. Preload removes internal play, fixes the running geometry and makes axial position and runout repeatable, and the M grade buys more axial stiffness than the light grade for a modest rise in friction and running temperature. These bearings are preload-set at manufacture rather than clearance-set.
The laminated phenolic resin cage riding on the outer ring land is the high-speed cage arrangement in this family. Phenolic is light, so cage inertia and ball-pocket loads stay low, and it holds an oil film well. Maximum Operating Temperature: 120 °C, set by the phenolic. Lubricant: oil/air or grease.
P4 holds bore, outside diameter, width and running accuracy to single-digit micron limits, which is what makes the pieces usable in a ground spindle stack.
Unit Quantity: 2 Pcs. Arrangement: duplex paired unit (DU). Universal grinding means the two bearings clamp solid against one another and the ground relief sets the preload directly, back-to-back, face-to-face or in tandem, with no measured spacers. A duplex unit behaves as a single bearing, and its preload band belongs to that specific pair.
Inner ring abutment diameter, d1 min: 19.5 mm. Outer ring abutment diameters: D1 max 32.5 mm, D2 max 33.8 mm. Chamfer dimensions: r min 0.3 mm, r1 min 0.15 mm. Internal free volume: 1.9 cm³ per bearing. PCD of lubrication jets: 23.5 mm. Item Weight: 0.040 kg (0.088 lb) per bearing.
7003TDUMEP7 is the alternate RHP form of the same unit. Same-envelope bearings differing in preload grade or tolerance class are related sizes rather than interchanges: the light and heavy preload grades and the other tolerance classes share the 17 x 35 x 10 mm envelope and behave differently in a spindle stack. A single universally ground bearing of this size is a different item, since SU pieces are not ground to this unit’s stack height.
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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