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:
4 in stock
Matched quad set of super-precision angular contact ball bearings, 35 mm bore x 55 mm OD x 10 mm wide each, 25° contact angle, light preload. 4 Pcs.
List Price
$395.00
4 in stock
On the Shelf & Ready to Ship
On all orders
No Risk, No Hassle
| MFR / Brand | Fafnir |
|---|---|
| MPN | 3MM9307WI QUL |
| Model | 3MM 9307 WI CR QUL / 71907 E CR QUL P4S / 7907A5 71907ACD |
| Bearing Type | Angular Contact Ball Bearing, Open |
| ID | 35 mm |
| OD | 55 mm |
| Width | 10 mm |
| Material | High Carbon Chrome Steel |
|---|---|
| Series | 9300 |
| Preload | Light |
| Base Number | 3MM9307WI |
| Industry Terms | super precision spindle bearing set, quad set angular contact, machine tool bearing, ABEC 9 quad |
| Common Misspellings | 3MM9307WIQUL, 3MM 9307 WI QUL, Fafner, Faffnir, 3MM9307W1-QUL |
| Application Types | Compact machine tool spindles, grinding spindles, rotary tables, precision indexers |
| Bore Shaft Size | 35 mm (1.378 in) |
| Mpn Variants | 3MM9307WI-QUL, 3MM9307WI-CR-QUL, 3MM-9307-WI-CR-QUL, 3MM9307WIQUL, 3MM 9307 WI CR QUL, 7907-E, 7907A |
| Precision Class | ABEC 7/9 / P4S |
| Rolling Elements | Ball |
| Cage Material | Phenolic |
| Number Of Rows | 1 per bearing, 4 rows as a set |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50 |
| Contact Angle | 25° |
| Mounting Arrangement | Quad universal (QU) |
| Part Number | 3MM9307WI-CR-QUL |
| Total Width | 40 mm |
| Overall Width | 10 mm |
| Closure Type | Open |
| Cross Reference 1 | RHP 7907ETQULP4 |
|---|---|
| Cross Reference 2 | FAG B7907E.T.P4S.QUL |
| Cross Reference 3 | NSK 7907A5TRQULP4 |
| Cross Reference 4 | SKF 7907 ACD/P4AQBCA |
Fafnir 3MM9307WI QUL matched quad set of super-precision single-row angular contact ball bearings, 4 Pcs. Each bearing is 35 mm bore, 55 mm outside diameter and 10 mm wide, 40 mm total stack width across the four. Open on both faces, universally ground as a set.
3MM — Fafnir super-precision prefix with a 25° contact angle; the MM grade is P4S.
9307 — 35 mm bore in the 9300WI extra-light section.
WI — Timken Fafnir super-precision spindle bearing construction.
CR — phenolic composition cage.
QU — quad, four bearings ground as one matched set.
L — light preload.
Bore Diameter: 35 mm.
Outside Diameter: 55 mm.
Overall Width: 10 mm per bearing.
Total Width: 40 mm for the set.
Contact Angle: 25°.
Precision Class: ABEC 7/9 / P4S.
Preload: Light.
Cage Material: Phenolic.
Rolling Elements: Ball.
Number Of Rows: 1 per bearing, 4 rows as a set.
Closure Type: Open.
Unit Quantity: 4 Pcs.
Bore: 35 mm (1.378 in), straight. Outside Diameter: 55 mm. Width: 10 mm per bearing, 40 mm stacked. Mounting Arrangement: Quad universal (QU).
Cross-references at 25°, super precision, light preload, matched quad: RHP 7907ETQULP4; FAG B7907E.T.P4S.QUL; NSK 7907A5TRQULP4; SKF 7907 ACD/P4AQBCA. Part number variants: 3MM9307WI-QUL, 3MM9307WI-CR-QUL, 3MM 9307 WI CR QUL, 7907-E, 7907A.
Each bearing is 35 mm bore, 55 mm outside diameter and 10 mm wide; the four-bearing set is 40 mm wide stacked.
3MM is the Fafnir 25° contact angle prefix. Contact Angle: 25°.
QU is a quad: four bearings ground as one matched set. L is light preload. Unit Quantity: 4 Pcs.
$152.21
35 in stock
$53.53
48 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
