BK1210 Needle Bearing (Drawn Cup Needle Roller Bearing), ISO 3245
The BK1210 needle bearing (ISO 3245) has a 12 mm bore, a 16 mm outside diameter and a width of 10 mm. Get it as simplified STEP files.

How these parts are made, and what the levels mean: read the method
- Also searched as: BK1210 bearing
- Model id:
iso3245-bk1210
- Standard: ISO 3245 · size BK1210
Files
| Part key | Simplified |
|---|
iso3245-bk1210 | STEP |
Dimensions

| Symbol | Name | min | nom | max | Modeled | Rule | Level |
|---|
| Fw | Bore diameter under the rollers | | 12 | | 12 | nominal | L1 |
| D | Outside diameter | | 16 | | 16 | nominal | L1 |
| C | Width | | 10 | | 10 | nominal | L1 |
| Ct | Depth to the closed end | 8.4 | | | 8.4 | single limit (min), modeled at the limit | L1 |
| r | Chamfer dimension | 0.4 | | | 0.4 | single limit (min), modeled at the limit | L1 |
Drawing

As a PDF: CC-ISO3245-BK-SZ-BK1210.pdf.
The BK1210 needle bearing beside the BK1015 and the BK1212
The BK1210 is number 13 of the 29 ISO 3245 needle bearings published here, listed from BK0306 to BK2526.
- Bore diameter under the rollers (Fw): 12 mm on the BK1210 needle bearing, against 10 mm on the BK1015 and 12 mm on the BK1212.
- Outside diameter (D): 16 mm on the BK1210 needle bearing, against 14 mm on the BK1015 and 18 mm on the BK1212.
- Width (C): 10 mm on the BK1210 needle bearing, against 15 mm on the BK1015 and 12 mm on the BK1212.
- Depth to the closed end (Ct): at least 8.4 mm on the BK1210 needle bearing, against at least 13.4 mm on the BK1015 and at least 9.3 mm on the BK1212.
- Chamfer dimension (r): at least 0.4 mm on the BK1210 needle bearing, against at least 0.4 mm on the BK1015 and at least 0.8 mm on the BK1212.
Other sizes
Documents
Sources
koyo-bs007-bk, ntn-bearingfinder-bk, schaeffler-hr1-bk. Full citations: the method page and this size's datasheet.
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