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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.
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1 in stock
Matched duplex pair of super-precision angular contact ball bearings, 15 x 35 x 11 mm each, 15° contact angle, medium preload, universally ground.
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$96.47
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| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM202WI DUM |
| GTIN | 087796070004 |
| Model | 2MM 202 WI DUM |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 15 mm |
| OD | 35 mm |
| Width | 11 mm |
| Material | Bearing Steel |
|---|---|
| Series | 2MM |
| Preload | Medium |
| Base Number | 7202 |
| Industry Terms | spindle bearing, matched pair, duplex set, duplex universal medium preload, universally ground, precision pair, 15 degree angular contact, WI series |
| Common Misspellings | 2MM202WI DUM, 2MM202-WI-DUM, 2M202WIDUM, 2MM202WLDUM, Fafner 2MM202, Angualr contact bearing, duplux pair |
| Application Types | Small high-speed grinding spindles, tool-room and instrument spindles, precision indexing heads, high-frequency spindle noses, machine tool spindles |
| Bore Shaft Size | 15 mm |
| Mpn Variants | 2MM202WI-DUM, 2MM202WIDUM, 2MM202WI DUM, 2MM-202-WI-DUM, 2-MM-202-WI-DUM, 2MM 202 WI DUM, 2MM202WIUM, 2MM202WI, 2MM202, 7202-C-DUM, 7202CDUM, 7202C |
| Manufacturer Status | Legacy Fafnir designation; obsolescence trail Fafnir to Torrington to Timken. New old stock. |
| Compatible With Replaces | Replaces 15 x 35 x 11 mm 15 degree super precision spindle bearing pairs of medium preload class |
| Rolling Elements | Ball |
| Number Of Rows | 1 per bearing (2 bearings per set) |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50.68 |
| Contact Angle | 15° |
| Part Number | 2MM202WI-DUM |
| Cross Reference 5 | NTN 7202CGD2GNP4 |
|---|
Fafnir 2MM202WI-DUM factory-matched duplex pair of super-precision angular contact ball bearings from the Fafnir WI machine-tool spindle series. Two bearings, each 15 mm bore, 35 mm outside diameter, 11 mm width, single row, 15° contact angle, medium preload, universally ground. Set composition: two individually wrapped bearings, both stamped 2MM202WIUM, with one carton labelled 2MM202WI DUM.
2MM — Timken/Fafnir WI scheme, 15° nominal contact angle.
202 — size code for the ISO 7202 envelope, 15 x 35 x 11 mm.
WI — super-precision machine-tool spindle series.
DUM — duplex universal, medium preload.
UM — per-ring stamp on each bearing of a DUM set; the set-level DUM appears on the carton.
T BORE and T O/D — matched bore and outside-diameter tolerance grading stamped on the outer ring face.
Bore Diameter: 15 mm. Outside Diameter: 35 mm. Overall Width: 11 mm per bearing. Contact Angle: 15°. Preload: Medium. Precision Class: ABEC 7. Number Of Rows: 1 per bearing, 2 bearings per set. Rolling Elements: Ball. Bore Type: Straight. Closure Type: Open. Series: WI super precision machine-tool series, ISO 7202. Base Number: 7202. Arrangement / Configuration: Matched duplex pair. Unit Quantity: 2 Pcs.
Boundary dimensions: 15 mm bore, 35 mm outside diameter, 11 mm width per bearing. Universally ground ring faces allow back-to-back, face-to-face or tandem arrangement; each outer ring is marked THRUST on one face.
Related designations: NSK 7202CTYNDUMP4, SKF 7202 CD/P4A DGB, FAG 7202 C TPA P4 DUM, FAG/Schaeffler B7202-C-T-P4S-UM, NTN 7202CGD2GNP4. The ISO base number is 7202 and the paired 15° form is written 7202-C-DUM or 7202CDUM. Timken lists the successor 2MM202WI family; the obsolescence trail is Fafnir to Torrington to Timken. Also written 2MM202WI-DUM, 2MM202WIDUM, 2MM202WI DUM, 2MM-202-WI-DUM, 2MM202WIUM and 2MM202WI.
Bore 15 mm, outside diameter 35 mm, width 11 mm per bearing.
15° contact angle and medium preload.
One matched pair, two bearings.
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Our team can locate, cross-reference, and source all parts.
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