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:
2 in stock
Fafnir 2MM9140WI-SUL super-precision angular contact ball bearing, 200 x 310 x 51 mm, 15° contact angle, universal single, light preload, phenolic cage.
List Price
$1,713.57
2 in stock
On the Shelf & Ready to Ship
On all orders
No Risk, No Hassle
| MFR / Brand | Fafnir |
|---|---|
| MPN | 2MM9140WI-SUL |
| Model | 2MM9140WIDUL |
| Bearing Type | Angular Contact Ball Bearing |
| ID | 200 mm |
| OD | 310 mm |
| Width | 51 mm |
| Preload | Light |
|---|---|
| Base Number | 7040 |
| Industry Terms | Spindle bearing; super precision bearing; machine tool bearing; single universal; ABEC 7; phenolic cage bearing; large bore spindle bearing |
| Common Misspellings | Faffnir; Fafner; 2MM9140W1-SUL; 2M9140WI-SUL; Fafnir 2MM 9140 WI SUL |
| Application Types | Large machine tool spindles; boring mills; rotary tables; precision motion systems |
| Bore Shaft Size | 200 mm (7.8740 in) |
| Mpn Variants | 2MM9140WI-SUL; 2MM-9140-WI-CR-SUL; 2MM9140WICRSUL; 2MM9140WI-DUL; 2MM-9140-WI-CR-DUL; 2MM 9140 WI CR |
| Manufacturer Status | Fafnir super-precision line, now branded Timken |
| Precision Class | ABEC 7 / P4 |
| Cage Material | Phenolic |
| Number Of Rows | 1 |
| Contact Angle | 15° |
| Part Number | 2MM9140WI-SUL |
| Mounting Arrangement | Universal single (SUL) |
| Cross Reference 1 | FAG B7040-C-T-P4S-UL - P4S vs P4 |
|---|
Fafnir 2MM9140WI-SUL super-precision angular contact ball bearing, one universally ground single bearing, 1 Pc. Bore 200 mm, outside diameter 310 mm, width 51 mm, 15° contact angle, phenolic cage. Fafnir is Timken’s super-precision line.
2MM — 15° contact angle, P4 precision class.
9140 — Fafnir 9100 series, ISO 70 size 7040, 200 mm bore.
WI — super-precision angular contact family, low shoulder both rings.
CR — phenolic cage (carried in 2MM9140WICRSUL).
SUL — single universally ground bearing, light preload.
Bore Diameter: 200 mm (7.8740 in). Outside Diameter: 310 mm (12.2047 in). Overall Width: 51 mm (2.0079 in). Contact Angle: 15°. Precision Class: ABEC 7 / P4. Cage Material: Phenolic. Preload: Light. Mounting Arrangement: Universal single (SUL). Series: ISO 70 light series (7040). Closure Type: Open. Number Of Rows: 1. Unit Quantity: 1 Pc.
Universally ground faces allow single bearings to be stacked back-to-back, face-to-face or in tandem, each bearing contributing its light preload.
Cross-reference: FAG B7040-C-T-P4S-UL (P4S vs P4). MPN variants: 2MM9140WI-SUL, 2MM9140WISUL, 2MM9140WICRSUL, 2MM-9140-WI-CR-SUL, 2MM9140WI-DUL, 2MM-9140-WI-CR-DUL, 7040-C.
Bore 200 mm, outside diameter 310 mm, width 51 mm.
15 degrees (2MM prefix).
A single universally ground bearing at light preload.
$227.83
45 in stock
$152.21
35 in stock
$760.47
16 in stock
$227.83
45 in stock
$141.11
255 in stock
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
