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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
Super-precision angular contact ball bearing, 60 x 110 x 22 mm, 15 degree contact angle, phenolic cage, ABEC 7 / P4, universally ground. Open, no seals.
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$89.85
2 in stock
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM212WI |
| GTIN | 087796070677 |
| Model | 2 MM 212 WI CR / ABEC7 / 7212C |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 60 mm |
| OD | 110 mm |
| Width | 22 mm |
| Material | Chrome Steel |
|---|---|
| Base Number | 7212 |
| Industry Terms | super precision angular contact bearing, spindle bearing, ABEC 7 bearing, phenolic cage bearing, universally ground, 15 degree contact angle, WI construction |
| Common Misspellings | Fafnier, Fafner, 2MM212W1, 2MM-212WI, 2MM212 WI, 2M212WI |
| Application Types | Machine tool spindles, grinding spindles, high-speed milling heads, precision gearboxes |
| Bore Shaft Size | 60 mm |
| Mpn Variants | 2MM212WI, 2MM212WICR, 2MM-212-WI-CR, 2MM 212 WI CR, 2MM212, 212WI |
| Manufacturer Status | Fafnir brand discontinued; range now sold by Timken |
| Compatible With Replaces | Fafnir / Timken 2MM212WI, 7212C super-precision spindle positions |
| Precision Class | ABEC 7 / P4 |
| Cage Type | Composition retainer (CR), one-piece |
| Precision Rating | ABEC 7 / P4 |
| Series | Fafnir 2MM 200 series WI |
| Rolling Elements | Balls |
| Cage Material | Phenolic laminated fabric |
| Number Of Rows | Single Row |
| Bore Type | Straight |
| Harmonization Code | 8482.10.50.28 |
| Contact Angle | 15° |
| Part Number | 2MM212WI |
| Cross Reference 1 | SKF 7212 CD/P4A |
|---|---|
| Cross Reference 2 | NSK 7212CTYNSULP4 |
| Cross Reference 3 | FAG B7212-C-T-P4S |
| Cross Reference 4 | SKF 7212 ACD/P4A - 25 deg contact angle, not 15 deg |
| Cross Reference 5 | NSK 7212A5TYNP4 - 25 deg contact angle, not 15 deg |
| Cross Reference 6 | Fafnir 3MM212WI - 25 deg contact angle, not 15 deg |
Fafnir 2MM212WI is a super-precision single-row angular contact ball bearing, universally ground, with a phenolic cage, for machine-tool spindles. Unit Quantity: 1 Pc. Brand: Fafnir (Timken). Bore Diameter: 60 mm. Outside Diameter: 110 mm. Overall Width: 22 mm. Contact Angle: 15°. Number Of Rows: Single Row. Rolling Elements: Balls. Bore Type: Straight. Closure Type: Open. GTIN: 087796070677.
2MM — Fafnir super-precision series; the 2 gives a 15° contact angle (3MM is 25°). MM is the ABEC 7 / ISO P4 precision class.
212 — 200 series, bore code 12, giving a 60 mm bore.
WI — low shoulder on the non-thrust side of both the inner and outer ring, with a one-piece cage piloted against a ground thrust shoulder land of the outer ring.
CR — composition retainer, a phenolic laminated-fabric cage. Fafnir stamps CR on the carton rather than the ring.
Precision Class: ABEC 7 / P4. Cage Material: Phenolic laminated fabric. Cage Type: Composition retainer (CR), one-piece. Arrangement / Configuration: single, universally ground. Base Number: 7212. Series: Fafnir 2MM 200 series WI. Material: Chrome Steel. Harmonization Code: 8482.10.50.28.
Bore Diameter: 60 mm. Outside Diameter: 110 mm. Overall Width: 22 mm. Universally ground faces allow two bearings to mount face-to-face, back-to-back or in tandem. Factory-matched pairs carry the DUL, DUM and DUH designations.
Fafnir is now sold by Timken; Timken 2MM212WI and Fafnir 2MM212WI are the same part. Cross-Reference 1: SKF 7212 CD/P4A. Cross-Reference 2: NSK 7212CTYNSULP4. Cross-Reference 3: FAG B7212-C-T-P4S. All three are 60 x 110 x 22 mm at a 15° contact angle. Cross-Reference 4: SKF 7212 ACD/P4A, Cross-Reference 5: NSK 7212A5TYNP4 and Cross-Reference 6: Fafnir 3MM212WI are 60 x 110 x 22 mm at a 25° contact angle.
Bore Diameter: 60 mm. Outside Diameter: 110 mm. Overall Width: 22 mm. Contact Angle: 15°.
2MM is the Fafnir super-precision series at a 15° contact angle in ABEC 7 / ISO P4 class. WI is the low-shoulder construction on both rings.
CR is a composition retainer: a one-piece phenolic laminated-fabric cage.
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