Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
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Koyo 6209C2P5 open deep groove ball bearing, 45 x 85 x 19 mm, C2 reduced clearance, ABEC 5 / P5 precision. 40,900 N dynamic, 7,700 rpm grease.
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| MFR / Brand | Koyo |
|---|---|
| MPN | 6209C2P5 |
| Model | 6209C2P5 |
| Bearing Type | Ball Bearing, Open |
| ID | 45 mm |
| OD | 85 mm |
| Width | 19 mm |
| Material | Bearing Steel |
|---|---|
| Series | 6200 |
| Dynamic Load Rating | 40,900 N |
| Static Load Rating | 20,300 N |
| Rolling Elements | Ball |
| Item Weight | 0.407 kg |
| Cage Material | Pressed steel |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Snap Ring Included | No |
| Limiting Speed | 7,700 rpm grease; 9,200 rpm oil |
| Harmonization Code | 8482.10.50 |
| Internal Clearance | C2 |
| Base Number | 6209 |
| Overall Width | 19 mm |
| Mpn Variants | 6209C2P5, 6209-C2-P5, 6209 C2 P5 |
| Precision Class | ABEC 5 / P5 |
| Additional Attributes | Fatigue load limit Cu: 1.40 kN; Factor f0: 14.0; Chamfer r min: 1.1 mm; da min: 51.5 mm; Da max: 78.5 mm; ra max: 1 mm |
| Cross Reference 1 | SKF 6209 - normal clearance, P0, not C2/P5 |
|---|---|
| Cross Reference 2 | NSK 6209 - normal clearance, P0, not C2/P5 |
| Cross Reference 3 | NTN 6209 - normal clearance, P0, not C2/P5 |
| Cross Reference 4 | FAG 6209 - normal clearance, P0, not C2/P5 |
| Cross Reference 5 | Nachi 6209 - normal clearance, P0, not C2/P5 |
Koyo 6209C2P5 is a single-row deep groove ball bearing in the 6200 light series, open on both sides, with reduced C2 internal clearance and P5 tolerance. Bore Diameter: 45 mm. Outside Diameter: 85 mm. Overall Width: 19 mm. Rolling Elements: Ball. Closure Type: Open. Bore Type: Straight.
6209 — single-row deep groove ball bearing, 62 light series, bore code 09 = 45 mm.
C2 — internal clearance smaller than standard, for tighter radial and axial play.
P5 — Koyo tolerance class equivalent to ABEC 5.
Dynamic Load Rating: 40,900 N. Static Load Rating: 20,300 N. Fatigue load limit Cu: 1.40 kN. Factor f0: 14.0. Limiting Speed: 7,700 rpm grease; 9,200 rpm oil. Precision Class: ABEC 5 / P5. Internal Clearance: C2. Cage Material: Pressed steel. Item Weight: 0.407 kg.
The P5 tolerance and C2 clearance give lower running runout and less internal play than a standard-class 6209, suited to spindles, gear shafts and electric motors that need accurate shaft location.
Chamfer r min: 1.1 mm. Shaft abutment diameter da min: 51.5 mm. Housing abutment diameter Da max: 78.5 mm. Fillet radius ra max: 1 mm.
Unit Quantity: 1 Pc. Single bearing, open type.
Same 45 x 85 x 19 mm envelope as SKF 6209, NSK 6209, NTN 6209, FAG 6209 and Nachi 6209. The C2 clearance and P5 class are specific to this part; a standard-class cross carries normal clearance and P0 tolerance unless ordered with matching suffixes.
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