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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:
4 in stock
Angular contact ball bearing matched duplex pair, 150 x 225 x 35 mm per bearing, 15° contact angle, ABEC 7 / P4, light preload, Fafnir 2MM9130WI DUL.
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9130WI DUL |
| GTIN | 087796073319 |
| Model | 2MM9130-WI-CR-DUL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 150 mm |
| OD | 225 mm |
| Width | 35 mm |
| Series | 9100WI |
|---|---|
| Preload | Light |
| Base Number | 2MM9130WI |
| Industry Terms | Super-precision angular contact ball bearing; spindle bearing; matched duplex pair; machine tool bearing |
| Common Misspellings | 2MM9130WL-DUL; 2MM9130WI-DLU; 2MM 9130 WI DUL; Fafner 2MM9130WI; 2MM9130WICRDLU |
| Application Types | Machine tool spindles; grinding spindles; milling and turning spindles; precision gearboxes; high-speed rotary tables |
| Total Width | 70 mm |
| Overall Width | 35 mm |
| Mpn Variants | 2MM9130WI-DUL; 2MM9130WICRDUL; 2MM9130-WI-CR-DUL; 2MM9130DUL; 2MM9130 WI CR DUL |
| Arrangement Configuration | Matched duplex pair |
| Precision Class | ABEC 7 / P4 |
| Precision Rating | ABEC 7 / P4 |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Mounting Arrangement | Universal duplex (DB, DF or DT) |
| Cross Reference 1 | SKF 7030 CD/P4ADGA - P4A class |
|---|---|
| Cross Reference 2 | FAG B7030-C-T-P4S-UL - single bearing, P4S |
| Cross Reference 3 | NSK 7030CTRDULP4 |
| Cross Reference 4 | SNR 7030CVDUJ74 |
Timken Fafnir 2MM9130WI DUL super-precision angular contact ball bearing, supplied as a two-piece matched duplex set. Bore 150 mm (5.906 in), outside diameter 225 mm (8.858 in), width 35 mm (1.378 in) per bearing, 70 mm across the pair. ISO size equivalent 7030. Single row per bearing, open.
2MM — 15° contact angle, ABEC 7 / ISO P4 tolerance class.
9130 — Fafnir number for the ISO 7030 envelope, 150 x 225 x 35 mm.
WI — low shoulder on both rings, the duplex grinding form.
CR — one-piece machined phenolic cage.
DUL — duplex, universally ground, light preload. Two single-row bearings ground as a matched set. Not a double-row bearing.
Bore Diameter: 150 mm. Outside Diameter: 225 mm. Width: 35 mm per bearing. Total Width: 70 mm across the pair. Contact Angle: 15°. Precision Class: ABEC 7 / P4. Cage Material: Phenolic. Preload: Light. Rolling Elements: Ball. Bore Type: Straight. Closure Type: Open. Number Of Rows: 1 per bearing. Series: 9100WI. Unit Quantity: 2 Pcs. Harmonization Code: 8482.10.50. GTIN: 087796073319. Country of Origin: United States.
Universal grinding allows back-to-back (DB), face-to-face (DF) or tandem (DT) stacking, and the ground ring faces set the light preload. The pair carries no radial internal clearance class. Mounting Arrangement: universal duplex.
Related designations in the 7030 size at 15°: SKF 7030 CD/P4ADGA (P4A class), FAG B7030-C-T-P4S-UL (single bearing, P4S class), NSK 7030CTRDULP4 and SNR 7030CVDUJ74. Searchable forms of the designation: 2MM9130WI-DUL, 2MM9130WICRDUL, 2MM9130-WI-CR-DUL, 2MM9130 WI CR DUL.
Bore Diameter is 150 mm, Outside Diameter is 225 mm and Width is 35 mm per bearing, 70 mm across the pair.
Contact Angle is 15° (2MM code) and Preload is light (DUL code).
Two bearings supplied as one factory-matched duplex set.
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