Motor Starters vs. Contactors vs. Overload Relays: What Each One Does and Why You Need All Three
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Availability:
2 in stock
Super-precision angular contact ball bearing, 45 x 85 x 19 mm, ISO 7209 envelope, 15-degree contact angle. Phenolic outer land riding cage, ABEC 7/9.
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$190.42
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM209WNCR |
| Model | 2 MM 209 WN CR / 7209C T P4 |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 45 mm |
| OD | 85 mm |
| Width | 19 mm |
| Material | High Carbon Chrome Steel |
|---|---|
| Series | 200 |
| Condition | New |
| Lubricant | Oil |
| Base Number | 209 |
| Bore Shaft Size | 45 mm |
| Mpn Variants | 2MM-209-WN-CR, 2MM 209 WN CR, 2MM209WN, 7209C, 7209-C |
| Precision Class | ABEC 7/9 (ISO P4S) |
| Cage Type | CR – Phenolic Outer Land Riding Cage |
| Precision Rating | ABEC 7/9 (ISO P4S) |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | Without Snap Ring |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 15° |
| Design Units | Metric |
| Part Number | 2MM209WNCR |
| Cross Reference 1 | 7209C-T-P4 |
|---|
Fafnir 2MM209WNCR, a super-precision spindle angular contact ball bearing from Timken’s Fafnir 200WI range. Bore: 45 mm. Outside Diameter: 85 mm. Overall Width: 19 mm. Contact Angle: 15°. Precision Class: ABEC 7/9 (ISO P4S). Cage Type: CR, phenolic outer land riding. Cage Material: phenolic. Rolling Elements: steel balls. Number of Rows: 1. Design Units: Metric. Manufacturer Part Number: 2MM209WNCR.
2MM — Fafnir super-precision spindle execution at a 15° contact angle, ground to ABEC 7/9 (ISO P4S) tolerance.
209 — 200WI dimension series, bore code 09. That is the ISO 7209 envelope: 45 mm bore, 85 mm outside diameter, 19 mm width.
CR — phenolic outer land riding cage, guided on the outer ring lands.
A 15° contact angle keeps the load path close to radial. That is the high-speed build in the family: it carries thrust in one direction while allowing a higher speed limit than the 25° execution on the same 45 x 85 x 19 mm envelope.
The phenolic outer land riding cage is the standard cage for spindle duty. It is light, so it adds little to ball-set inertia at speed, it runs quiet, and the resin holds oil in its own porosity to feed the ball pockets. ABEC 7/9 grinding is what holds the running accuracy a machine tool spindle needs.
Unit Quantity: 1 Pc. One single-row bearing.
Cross-Reference: 7209C-T-P4, as marked. Searchable variants of the Fafnir number: 2MM209WNCR, 2MM-209-WN-CR, 2MM 209 WN CR, 2MM209WN, 7209C, 7209-C.
The 3MM209 on the same 45 x 85 x 19 mm envelope is the 25° build: more thrust capacity, lower speed. The plain Fafnir 7209WN shares the envelope but is a standard-precision bearing at a 40° contact angle.
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