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 MM209KMBR super-precision spindle deep groove ball bearing, 45 x 85 x 19 mm, ISO P4 (ABEC 7) accuracy, machined bronze cage, open, single row.
List Price
$120.50
2 in stock
On the Shelf & Ready to Ship
On all orders
No Risk, No Hassle
| MFR / Brand | Fafnir |
|---|---|
| MPN | MM209KMBR |
| Model | MM209K-MBR / 6209 P4 |
| Bearing Type | Deep Groove Ball Bearing |
| ID | 45 mm |
| OD | 85 mm |
| Width | 19 mm |
| Base Number | MM209K |
|---|---|
| Bore Shaft Size | 45 mm |
| Mpn Variants | MM209KMBR; MM-209-K-MBR; MM 209 K MBR |
| Arrangement Configuration | Single |
| Precision Class | ABEC 7 / P4 |
| Additional Attributes | Max shaft fillet 1 mm; outer ring to-clear radius 1 mm; shaft backing shoulder 52.3 mm; housing backing shoulder 78.2 mm |
| Cage Type | Machined, land riding |
| Precision Rating | ABEC 7 / P4 |
| Series | 200K |
| Cage Material | Bronze |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Harmonization Code | 8482.10.50.68 |
| Design Units | Metric |
| Bearing Class | P4 |
| Part Number | MM209KMBR |
| Industry Terms | spindle deep groove ball bearing; super-precision spindle bearing; 6209 P4 spindle bearing; machined bronze cage ball bearing; Conrad spindle bearing |
| Common Misspellings | Fafnir MM 209 KMBR; Fanir MM209KMBR; Fafnir MM209K MBR; Fafnr MM209KMBR; Timken MM209KMBR |
| Application Types | Machine tool spindles; precision spindles; high-speed machinery |
| Closure Type | Open |
| Cross Reference 1 | MM209K (Timken base, phenolic cage; ours is MBR bronze) |
|---|---|
| Cross Reference 2 | 6209 - ISO envelope only; not spindle grade |
Fafnir MM209KMBR super-precision spindle deep groove ball bearing, built by The Timken Company. Single row, open, straight bore, machined bronze cage. The ISO envelope is 6209. Unit Quantity: 1 Pc.
MM — Timken super-precision spindle prefix, ISO P4 accuracy (ABEC 7).
209 — the 6209 envelope in the 200K series, 45 x 85 x 19 mm.
K — spindle deep groove family.
MBR — machined bronze cage.
Bore Diameter: 45 mm. Outside Diameter: 85 mm. Bearing Width: 19 mm. Series: 200K. Precision Class: ABEC 7 / P4. Cage Material: Bronze. Cage Type: Machined, land riding. Rolling Elements: Steel ball. Bore Type: Straight. Closure Type: Open. Number Of Rows: 1. Arrangement / Configuration: Single. Design Units: Metric.
Max Shaft Fillet Radius: 1 mm (0.039 in). Outer Ring To Clear Radius: 1 mm (0.039 in). Shaft Backing Shoulder Diameter: 52.3 mm (2.060 in). Housing Backing Shoulder Diameter: 78.2 mm (3.080 in).
Cross-references: MM209K (Timken base designation, phenolic cage); 6209 (ISO envelope only). Designation variants: MM209KMBR, MM-209-K-MBR, MM 209 K MBR.
Bore 45 mm, outside diameter 85 mm, width 19 mm.
MBR denotes a machined bronze cage.
MM is the Timken super-precision prefix at ISO P4 (ABEC 7).
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
