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Availability:
41 in stock
Matched duplex pair of super-precision angular contact ball bearings, 35 mm bore x 62 mm OD x 14 mm wide, 15° contact angle, medium preload, ABEC 7. 2 Pcs.
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$198.10
41 in stock
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| MFR / Brand | SNFA |
|---|---|
| MPN | EX35-7CE1DUM |
| Model | 2MM-9107 WI DUM / 7007 P4 DUM / EX 35-7 CE 1 DUM 14° |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 35 mm |
| OD | 62 mm |
| Width | 14 mm |
| Material | Bearing Steel |
|---|---|
| Series | EX |
| Condition | New |
| Preload | Medium Preload |
| Base Number | 7007 |
| Industry Terms | angular contact bearing, super precision spindle bearing, duplex pair, matched pair, machine tool spindle bearing |
| Common Misspellings | EX35 7CE1DUM, EX-35-7CE1DUM, SNFA EX357CE1 DUM, EX35-7CEIDUM |
| Application Types | machine tool spindles, grinding spindles, milling heads, high-speed precision drives |
| Total Width | 28 mm (1.1024 in) mounted pair |
| Bore Shaft Size | 35 mm (1.3780 in) |
| Mpn Variants | EX35-7CE1DUM, EX35-7-CE-1-DUM, EX 35-7 CE 1 DUM, EX357CE1DUM, 7007P4DUM |
| Arrangement Configuration | Matched duplex pair (DU) |
| Precision Class | ABEC 7 (P4) |
| Closure Type | Open |
| Cage Type | Window |
| Dynamic Load Rating | 18.3 kN / 4114 lbf |
| Static Load Rating | 13.7 kN / 3080 lbf |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Ball |
| Max Temp | 120 °C |
| Item Weight | 0.99 lbs |
| Cage Material | Phenolic |
| Limiting Speed | 16000 rpm |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Universal |
| Design Units | Metric |
| Part Number | EX35-7CE1DUM |
| Cross Reference 1 | FAG B7007-C-T-P4S-UM |
|---|---|
| Cross Reference 2 | NSK 7007CTYDUMP4 |
| Cross Reference 3 | SKF 7007 CD/P4ADGB |
| Cross Reference 4 | SNR 7007HVDUJ84 |
SNFA EX 35-7 CE 1 DUM, a matched duplex pair of single-row super-precision angular contact ball bearings. Boundary dimensions 35 mm bore × 62 mm outside diameter × 14 mm width per bearing, the 7007 envelope.
Series EX is the SNFA super-precision angular contact spindle bearing series. Bore: 35 mm, quoted directly rather than as an ISO bore code. Precision Class: ABEC 7. Cage Type: CE, machined cage, outer-ring land riding. Contact Angle: 15° in the SNFA scheme. Arrangement: DU, duplex, a pair ground to run together. Preload: M, medium.
A 15° contact angle favours speed and radial stiffness over thrust capacity, which is the usual choice for a driven machine-tool spindle. Mounted as a duplex pair the set locates the shaft in both directions under a built-in medium preload, giving higher axial and radial stiffness than a light-preload set at the cost of more heat at the same speed. An outer-land-riding machined cage keeps the ball train stable at high speed and is guided by an oil or grease film on the ring land. ABEC 7 controls bore, outside diameter and running accuracy to super-precision limits.
Bore: 35 mm (1.3780 in). Outside Diameter: 62 mm (2.4409 in). Overall Width: 14 mm (0.5512 in) per bearing. Total Width: 28 mm (1.1024 in) mounted. Contact Angle: 15°. Number Of Rows: 1 per bearing. Preload: medium (M). Precision Class: ABEC 7 (P4). Cage: machined, outer-ring land riding (CE). Closure Type: open.
2 Pcs, one matched duplex pair.
The pair mounts as a unit in the marked orientation with the ground faces together, so preload comes from the matched ring-face offset rather than from clamp-up force. Full preload develops once the inner rings are clamped solid against the shaft shoulder and nut and the outer rings against the housing shoulder. An outer-land-riding cage depends on lubricant reaching the ring land, so the feed path matters more than on a ball-riding cage.
Same-spec 15° medium-preload duplex equivalents in other schemes: FAG B7007-C-T-P4S-UM, NSK 7007CTYDUMP4, SKF 7007 CD/P4ADGB, SNR 7007HVDUJ84. Light and heavy preload forms, the 25° CE3 form, and the 71907 ultra-light section on the same 35 mm bore are related sizes rather than interchanges.
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