store 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.
Availability:
2 in stock
NSK 7028ATDBC7P4 matched pair of angular contact ball bearings, 140 x 210 x 33 mm, 30 degree contact angle, P4, phenolic cage, back-to-back. 2 Pcs.
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| MFR / Brand | NSK |
|---|---|
| MPN | 7028ATDBC7P4 |
| Model | 7028A-T-DB-C7-P4 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 140 mm |
| OD | 210 mm |
| Width | 33 mm |
| Material | High Carbon Chrome Steel |
|---|---|
| Series | 7000 |
| Base Number | 7028 |
| Common Misspellings | NSK 7028 A T DB C7 P-4, 7028ATDBC7P-4, NSK 7O28A, 7028ATBDC7P4, 7028 ATDB C7P4 |
| Application Types | Machine tool spindles, boring and drilling spindles, vertical turning spindles, heavy milling spindles, precision rotary and indexing tables |
| Bore Shaft Size | 140 mm (5.5118 in) |
| Mpn Variants | 7028ATDBC7P4, 7028A-T-DB-C7-P4, 7028 A T DB C7 P4, 7028ATDBP4, 7028ADB, 7028A, 7028-A, 7028ATDB, 7028A5TDBC7P4 |
| Manufacturer Status | NSK super precision range remains in current production |
| Arrangement Configuration | Back-to-back (DB) |
| Precision Class | ABEC 7 / P4 |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 30° |
| Part Number | 7028ATDBC7P4 |
| Cross Reference 1 | NSK 7028C - 15 deg vs 30 deg contact angle |
|---|---|
| Cross Reference 2 | FAG B7028-C-T-P4S-UL - 15 deg vs 30 deg |
| Cross Reference 3 | Fafnir 2MM9128WI - 15 deg vs 30 deg |
| Cross Reference 4 | FAG 7028-B - 40 deg vs 30 deg |
NSK 7028ATDBC7P4 is a matched pair of super precision angular contact ball bearings, 2 pieces, supplied for back-to-back (DB) mounting. Bore: 140 mm. Outside Diameter: 210 mm. Width: 33 mm per bearing. Single row, open. Country of origin: Japan.
7028 — ISO 70 dimension series, 140 x 210 x 33 mm.
A — 30° contact angle in NSK nomenclature (A5 is 25°, C is 15°).
T — phenolic laminate cage.
DB — back-to-back duplex arrangement.
P4 — super precision tolerance class, equivalent to ABEC 7.
Bore Diameter: 140 mm (5.5118 in). Outside Diameter: 210 mm. Width: 33 mm. Contact Angle: 30°. Precision Class: ABEC 7 / P4. Cage Material: Phenolic. Arrangement: back-to-back (DB). Closure Type: open. Rolling Elements: balls. Unit Quantity: 2 Pcs.
Same 140 x 210 x 33 mm envelope at other contact angles: NSK 7028C, FAG B7028-C-T-P4S-UL and Fafnir 2MM9128WI at 15°; FAG 7028-B at 40°.
30°, set by the A in 7028A.
2 pieces, a matched pair for back-to-back (DB) mounting.
140 mm bore, 210 mm outside diameter, 33 mm width per bearing.
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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