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
Precision spindle ball bearing, 35 x 80 mm, 21 mm inner ring width, 25 mm outer ring width, machined bronze cage, ABEC 7/9 / P4S. Unit Quantity: 2 Pcs.
List Price
$51.59
2 in stock
On the Shelf & Ready to Ship
On all orders
No Risk, No Hassle
| MFR / Brand | Fafnir |
|---|---|
| MPN | AAMM307-2-SMBR |
| Model | AA MM 307 2 SMBR |
| Bearing Type | Precision Ball Bearing |
| ID | 35 mm |
| OD | 80 mm |
| Width | 21 mm / 25 mm |
| Base Number | MM307 |
|---|---|
| Total Width | 25 mm (outer ring) |
| Overall Width | 21 mm |
| Mpn Variants | AAMM307-2-SMBR; AA-MM-307-2-SMBR; AA MM 307 2 SMBR; MM307MBR; MM307 |
| Precision Class | ABEC 7/9 / P4S |
| Cage Type | Machined |
| Series | 300 |
| Rolling Elements | Ball |
| Cage Material | Bronze |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Closure Type | Open |
| Cross Reference 1 | Timken MM307K (related, 21 mm flush width, phenolic cage) |
|---|---|
| Cross Reference 2 | Timken MM307WI (related, 21 mm flush width, angular contact) |
Fafnir AAMM307-2-SMBR, a precision spindle ball bearing with a machined bronze cage on the 300 series envelope. Unit Quantity: 2 Pcs.
MM — Fafnir super-precision spindle range, ABEC 7/9 (P4S) tolerances.
307 — 300 series, bore code 07: 35 mm bore in an 80 mm outside diameter.
MBR — machined bronze cage.
Bore Diameter: 35 mm. Outside Diameter: 80 mm. Overall Width: 21 mm. Total Width: 25 mm (outer ring). Rolling Elements: Ball. Number Of Rows: 1. Bore Type: Straight. Closure Type: Open. Cage Material: Bronze. Cage Type: Machined. Precision Class: ABEC 7/9 / P4S. Series: 300. Base Number: MM307. Unit Quantity: 2 Pcs.
Inner ring width: 21 mm. Outer ring width: 25 mm. Bore: 35 mm. Outside diameter: 80 mm.
Cross-Reference 1: Timken MM307K (related, 21 mm flush width, phenolic cage). Cross-Reference 2: Timken MM307WI (related, 21 mm flush width, angular contact). Searchable forms: AAMM307-2-SMBR, AA-MM-307-2-SMBR, AA MM 307 2 SMBR, MM307MBR, MM307.
Bore Diameter: 35 mm. Outside Diameter: 80 mm. Inner ring width: 21 mm. Outer ring width: 25 mm.
Cage Material: Bronze. Cage Type: Machined.
Precision Class: ABEC 7/9 / P4S.
$144.56
12 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
