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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:
1 in stock
Super-precision angular contact ball bearing, 40 mm bore x 80 mm OD x 18 mm wide, 15 degree contact angle, ABEC 7, matched duplex pair at medium preload. 2 Pcs.
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| MFR / Brand | RHP |
|---|---|
| MPN | 7208CTDUMP4 |
| Model | 7208 C T DUM P4 / 2MM208WI CR DUM / 208HDM / |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 40 mm |
| OD | 80 mm |
| Width | 18 mm |
| Material | Bearing Steel |
|---|---|
| Series | 7200 |
| Base Number | 7208 |
| Industry Terms | Super precision spindle bearing; matched duplex pair; ABEC 7 angular contact; machine tool spindle bearing |
| Common Misspellings | 7208CTDUM P4; 7208-CT-DUMP4; RHP 7208CTDUNP4; 7208 CTDUMP4 |
| Application Types | Machine tool spindles; grinding spindles; high-speed precision gearboxes; rotary tables |
| Bore Shaft Size | 40 mm (1.5748 in) |
| Mpn Variants | 7208CTDUMP4; 7208-C-T-DUM-P4; 7208 C T DUM P4; 7208CTDUM; 7208X2TADUMEP7 |
| Rolling Elements | Ball |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Part Number | 7208CTDUMP4 |
Super-precision angular contact ball bearing in the 7208 size, supplied as a factory-matched duplex pair. Bore 40 mm, outside diameter 80 mm, width 18 mm per bearing. Unit Quantity: 2 Pcs.
7208 — ISO angular contact series: 40 mm bore, 80 mm outside diameter, 18 mm width.
C — 15° contact angle in the RHP scheme. The B-series equivalent number carries the X2 suffix, the same 15° class.
T — phenolic laminated-fabric cage.
DUM — duplex universal pair, medium preload.
P4 — ABEC 7 precision class.
Bore Diameter: 40 mm (1.5748 in). Outside Diameter: 80 mm. Overall Width: 18 mm per bearing. Contact Angle: 15°. Precision Class: ABEC 7 / P4. Number Of Rows: 1 per bearing. Rolling Elements: Ball. Cage Material: Phenolic. Closure Type: Open. Preload: Medium. Series: 7208. Unit Quantity: 2 Pcs.
Bore: 40 mm. Outside diameter: 80 mm. Width: 18 mm per bearing. Universal grinding allows the pair to be assembled back-to-back, face-to-face or in tandem.
RHP B-series equivalent: 7208X2TADUMEP7. Part number variants: 7208CTDUMP4, 7208-C-T-DUM-P4, 7208 C T DUM P4, 7208CTDUM, 7208X2TADUMEP7.
Contact Angle: 15°.
DUM is a duplex universal pair at medium preload.
Unit Quantity: 2 Pcs, one matched duplex pair.
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