Motor Starters vs. Contactors vs. Overload Relays: What Each One Does and Why You Need All Three
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2 in stock
Super-precision angular contact ball bearing, 75 x 130 x 25 mm, 15-degree contact angle, ABEC 7/9. Matched duplex set, light preload, phenolic cage.
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$224.05
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM215WICRDUL |
| Model | 2MM 215 WI CR DUL / 7215 C T DUL P4 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 75 mm |
| OD | 130 mm |
| Width | 25 mm |
| Material | Bearing Steel |
|---|---|
| Series | 200 |
| Condition | New |
| Lubricant | Oil Preservative |
| Preload | Light |
| Base Number | 215 |
| Total Width | 50 mm |
| Bore Shaft Size | 75 mm |
| Mpn Variants | 2MM215WI-DUL, 2MM-215-WI-CR-DUL, 2MM 215 WI CR DUL, 7215C, 7215-C |
| Manufacturer Status | Active |
| Arrangement Configuration | Duplex, universally ground (DUL) |
| Precision Class | ABEC 7/9 (ISO P4S) |
| Dynamic Load Rating C1 | 87900 N (19800 lbf) per bearing |
| Additional Attributes | Shaft backing shoulder diameter 85.2 mm (3.360 in); housing backing shoulder diameter 120.8 mm (4.760 in); maximum shaft fillet radius 1.5 mm (0.059 in); outer ring to-clear radius 1.5 mm (0.059 in); ISO method dynamic rating per row 79900 N (18000 lbf) |
| Cage Type | CR – Phenolic Outer Land Riding Cage |
| Dynamic Load Rating | 87900 N (19800 lbf) per bearing |
| Static Load Rating | 64900 N (14600 lbf) per bearing |
| Precision Rating | ABEC 7/9 (ISO P4S) |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Limiting Speed | 10800 |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Design Units | Metric |
| Part Number | 2MM215WICRDUL |
| Cross Reference 1 | 7215C-T-P4S-DUL |
|---|
Fafnir 2MM215WICRDUL, a super-precision spindle angular contact ball bearing from Timken’s Fafnir 200WI range. Bore: 75 mm. Outside Diameter: 130 mm. Bearing Width: 25 mm per bearing. Total Width: 50 mm across the set. Contact Angle: 15°. Precision Class: ABEC 7/9 (ISO P4S). Preload: light. Cage Type: CR, phenolic outer land riding. Cage Material: phenolic. Rolling Elements: steel balls. Number of Rows: 1 per bearing. Manufacturer Part Number: 2MM215WI DUL. World Part Number: 7215C-T-P4S-DUL.
2MM — Fafnir super-precision spindle execution at a 15° contact angle, ground to ABEC 7/9 (ISO P4S) tolerance.
215 — 200WI dimension series, bore code 15. That is the ISO 7215 envelope: 75 mm bore, 130 mm outside diameter, 25 mm width per bearing.
WI — low shoulder on both rings, which is what allows the ball complement and the 15° angle to be ground into this section.
CR — phenolic outer land riding cage, guided on the outer ring lands.
DUL — duplex, light preload. Two universally ground bearings supplied as a matched set, faces flush-ground so they close to the same preload when clamped.
Dynamic Radial Load Rating (C1): 87,900 N (19,800 lbf) per bearing. Dynamic Radial Load Rating, ISO method (C1 per row): 79,900 N (18,000 lbf). Static Radial Load Rating (C0): 64,900 N (14,600 lbf) per bearing. Limiting Speed, grease: 10,800 rpm. Limiting Speed, oil: 21,600 rpm.
The 200 series is the medium section in the Fafnir spindle range: at 75 mm bore it runs a 130 mm outside diameter and a 25 mm width, so it carries roughly a third more dynamic load than the 9100 extra-light section on a similar bore. The 15° contact angle holds the load path close to radial and keeps the speed limit high. The phenolic outer land riding cage is light, adds little to ball-set inertia and holds oil in its own porosity. Light preload sets the stiffness while keeping running temperature down.
Unit Quantity: 2 Pcs. A matched duplex set of two universally ground bearings, 50 mm total width when clamped together.
Shaft Backing Shoulder Diameter: 85.2 mm (3.360 in). Housing Backing Shoulder Diameter: 120.8 mm (4.760 in). Maximum Shaft Fillet Radius: 1.5 mm (0.059 in). Outer Ring To-Clear Radius: 1.5 mm (0.059 in).
Timken’s world part number for this set is 7215C-T-P4S-DUL. Searchable variants of the Fafnir number: 2MM215WI-DUL, 2MM215WICRDUL, 2MM-215-WI-CR-DUL, 2MM 215 WI CR DUL, 7215C, 7215-C.
The 3MM215WI on the same 75 x 130 x 25 mm envelope is the 25° build: more thrust capacity, lower speed.
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