store 
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:
6 in stock
Fafnir 2MM218WI-DUL super-precision angular contact ball bearing duplex pair, 90 x 160 x 30 mm, 15° contact angle, light preload, phenolic cage.
List Price
$748.29
6 in stock
On the Shelf & Ready to Ship
On all orders
No Risk, No Hassle
| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM218WI-DUL |
| Model | 7218 C T DUL P4 / 2MM218WI CR DUL / 7218C / 218HDL |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 90 mm |
| OD | 160 mm |
| Width | 30 mm |
| Series | 2MM200WI |
|---|---|
| Lubricant | Oil/Grease |
| Preload | Light |
| Base Number | 7218 |
| Industry Terms | Spindle bearing, super precision angular contact, duplex matched pair, machine tool bearing, ABEC 7 bearing |
| Common Misspellings | Fafner 2MM218WI, Faffnir 2MM218WIDUL, Timkin 2MM218WI, 2M218WI |
| Application Types | Machine tool spindles, grinding spindles, precision milling and boring heads, high-speed gearbox positions |
| Bore Shaft Size | 90 mm (3.5433 in) |
| Mpn Variants | 2MM218WI-DUL; 2MM218WIDUL; 2MM-218-WI-DUL; 2MM218WI CR DUL; 2MM 218 WI DUL; 2MM218WICRDUL; 7218C-T-P4S-DUL |
| Precision Class | ISO P4S (ABEC 7/9) |
| Cage Type | CR - Phenolic Outer Land Riding Cage |
| Dynamic Load Rating | 129,900 N (set); 118,000 N (per row) |
| Static Load Rating | 97,900 N |
| Rolling Elements | Balls |
| Cage Material | Phenolic |
| Number Of Rows | 1 per bearing |
| Bore Type | Straight |
| Snap Ring Included | No |
| Limiting Speed | 8,900 rpm grease; 17,800 rpm oil |
| Harmonization Code | 8482.10.5028 |
| Contact Angle | 15° |
| Part Number | 2MM218WI-DUL |
| Total Width | 60 mm (pair) |
| Cross Reference 1 | FAG B7218-C-TPA-P4S-UL |
|---|---|
| Cross Reference 2 | SKF 7218 CD/P4ADGA |
| Cross Reference 3 | NSK 7218 CTR DUL P4 |
| Cross Reference 4 | RHP 7218CTDULP4 |
| Cross Reference 5 | Barden 218HDL |
| Cross Reference 6 | Timken 7218C-T-P4S-DUL (world part number) |
| Cross Reference 7 | 2MM218WI-DUM (medium preload, related) |
| Cross Reference 8 | 3MM218WI-DUH (25°, heavy preload, related) |
Fafnir 2MM218WI-DUL super-precision angular contact ball bearing, supplied as 2 Pcs: one universally ground duplex pair. Bore Diameter: 90 mm. Outside Diameter: 160 mm. Bearing Width: 30 mm. Total Width: 60 mm for the pair. Timken World Part Number: 7218C-T-P4S-DUL.
2MM — Fafnir super-precision prefix, 15° contact angle (3MM is 25°).
218 — ISO 72 dimension series size, 90 x 160 x 30 mm.
WI — Fafnir WI super-precision angular contact family.
CR — phenolic cage, outer land riding.
DU — universally ground duplex pair.
L — light preload.
Bore Diameter: 90 mm.
Outside Diameter: 160 mm.
Bearing Width: 30 mm.
Total Width: 60 mm for the pair.
Contact Angle: 15°.
Precision Class: ISO P4S (ABEC 7/9).
Preload: Light.
Dynamic Radial Load Rating (C1, set): 129,900 N.
Dynamic Radial Load Rating (C1, per row): 118,000 N.
Static Radial Load Rating (C0): 97,900 N.
Limiting Speed: 8,900 rpm grease; 17,800 rpm oil.
Cage Type: CR – Phenolic Outer Land Riding Cage.
Rolling Elements: Steel balls.
Closure Type: Open.
Number Of Rows: 1 per bearing.
Unit Quantity: 2 Pcs.
Country of Origin: United States.
Shaft Backing Shoulder Diameter: 102.7 mm (4.05 in). Housing Backing Shoulder Diameter: 148 mm (5.830 in). Maximum Shaft Fillet Radius: 2 mm (0.079 in). Outer Ring To Clear Radius: 2 mm (0.079 in). Arrangement: universally ground pair with flush ground faces.
Cross-references: FAG B7218-C-TPA-P4S-UL; SKF 7218 CD/P4ADGA; NSK 7218 CTR DUL P4; RHP 7218CTDULP4; Barden 218HDL; Timken world part number 7218C-T-P4S-DUL. Related: 2MM218WI-DUM (medium preload); 3MM218WI-DUH (25°, heavy preload). Also written as 2MM218WIDUL, 2MM-218-WI-DUL, 2MM218WI CR DUL and 2MM 218 WI DUL. CAD model and data sheet: available from Timken (cad.timken.com).
Contact angle is 15° and preload is light.
Dynamic C1 is 129,900 N for the set and 118,000 N per row; static C0 is 97,900 N; limiting speed is 8,900 rpm on grease and 17,800 rpm on oil.
2 Pcs: one universally ground duplex pair, 90 x 160 x 30 mm per bearing.
$111.47
35 in stock
$227.83
45 in stock
$141.11
255 in stock
American manufacturers are sitting on a lot of stuff. The
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
Sort
Brand
Price
MPN
Categories
