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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 single-row angular contact ball bearing, 95 mm bore x 170 mm OD x 32 mm wide, 15° contact angle, light preload, ABEC 7/9. Sold as 1 Pc.
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$414.91
1 in stock
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM219WI SUL |
| Model | 2MM219 WI SUL 7219C 219H-L |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 95 mm |
| OD | 170 mm |
| Width | 32 mm |
| Material | Bearing Steel |
|---|---|
| Series | 2MM9300 |
| Lubricant | Oil/Grease |
| Base Number | 2MM219WI |
| Industry Terms | super precision spindle bearing, machine tool bearing, precision angular contact, ABEC 9 bearing |
| Common Misspellings | 2MM219WISUL, 2MM 219 WI SUL, Fafner, Faffnir, 2MM219W1-SUL |
| Application Types | Machine tool spindles, grinding spindles, precision gearboxes, rotary tables |
| Bore Shaft Size | 95 mm (3.740 in) |
| Mpn Variants | 2MM219WI-SUL, 2MM-219-WI-SUL, 2MM219WISUL, 2MM 219 WI SUL, 2MM219WI-CR-SUL, 7219-C |
| Rolling Elements | Balls |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50.68 |
| Contact Angle | 15° |
| Part Number | 2MM219WI-SUL |
| Cross Reference 1 | RHP 7219CTRSULP4 (light preload) |
|---|---|
| Cross Reference 2 | NSK 7219CTRSULP4 (light preload) |
| Cross Reference 3 | FAG B7219-C-T-P4S-UL (light preload) |
| Cross Reference 4 | SKF 7219 CD/P4ADGB (light preload) |
A Fafnir 2MM219WI-SUL super-precision single-row angular contact ball bearing. Bore 95 mm, outside diameter 170 mm, width 32 mm. Open on both faces, universally ground. The ISO envelope is the 7219 medium series.
The 72 medium series carries a heavier section than the 70 light series at the same bore, trading speed ceiling for load capacity. A 15° contact angle favours speed and radial stiffness over thrust. Universal grinding means any two rings of this designation stack back-to-back, face-to-face or in tandem and reach the stated light preload without shims.
Single universally ground bearing. 1 Pc per sale unit.
Thrust is carried in one direction only, so the bearing runs against an opposing bearing or a housing shoulder. The wide outer-ring land is the thrust face and its orientation sets the arrangement.
Interchanges with RHP 7219CTRSULP4, NSK 7219CTRSULP4, FAG B7219-C-T-P4S-UL and SKF 7219 CD/P4ADGB at 15°, super precision, light preload. The 25° 3MM219WI and SNFA E295-7CE3 share the envelope at a different contact angle and are related sizes rather than interchanges.
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