SKF · mounted bearings
SKF P 12 TF
Ball bearing units — manufacturer technical reference and quotation support in Saudi Arabia.
لطلب عرض سعر في السعودية، أرسل رقم القطعة أو المقاس والكمية والمدينة. يُرجى تأكيد التوافق والتوفر والسعر مع فريقنا.
| Shaft diameter | 12 mm |
|---|---|
| Centre height (pillow block) | 22.1 mm |
| Housing overall width | 26 mm |
| Centre distance between bolt holes | 68 mm |
| Bearing width, total | 27.4 mm |
| Attachment bolt diameter | 8 mm |
| Basic dynamic load rating | 9.56 kN |
| Basic static load rating | 4.75 kN |
| Limiting speed | 9500 r/min |
| Note | Limiting speed with shaft tolerance h6 |
| Housing type | Pillow block, normal base |
| Number of bolt holes for fasteners | 2 |
| Fastening bolt hole type | Plain |
| Retaining feature, inner ring | Set screws |
| Bore type | Cylindrical |
| Rubber seating ring | Without |
| Material, housing | Pressed steel |
| Material, bearing | Bearing steel |
| Coating | Zinc-coated housing |
| Sealing, bearing | Seal and flinger on both sides |
| Sealing type | Contact, standard |
| Sealing, unit | Without |
| Lubricant | Grease |
| Relubrication hole | Without |
| Grease fitting | Without |
| Unit system | Metric |
| Product net weight | 0.18 kg |
| eClass code | 23-05-08-02 |
| UNSPSC code | 31171536 |
| Compliance with standard | ISO with centre height deviation |
| Purpose specific | For material handling applications |
| Sealing type, bearing | Contact, standard |
| Dimensions · Bore diameter · (d) | 12 mm |
| Dimensions · Shoulder diameter of inner ring · (d_1) · ≈ | 24.2 mm |
| Dimensions · Base width · (A) | 26 mm |
| Dimensions · Top width · (A_1) | 18 mm |
| Dimensions · Width of inner ring · (B) | 27.4 mm |
| Dimensions · Distance from locking device side face to thread centre · (B_4) | 4 mm |
| Dimensions · Height of spherical seat centre · (H) | 22.1 mm |
| Dimensions · Foot height · (H_1) | 3 mm |
| Dimensions · Overall height · (H_2) | 43.5 mm |
| Dimensions · Distance between attachment bolts · (J) | 68 mm |
| Dimensions · Overall length · (L) | 85.5 mm |
| Dimensions · Diameter of attachment bolt hole · (N) | 9.6 mm |
| Dimensions · Distance from locking device side face to raceway centre · (s_1) | 15.9 mm |
| Calculation data · Basic dynamic load rating · (C) | 9.56 kN |
| Calculation data · Basic static load rating · (C_0) | 4.75 kN |
| Calculation data · Fatigue load limit · (P_u) | 0.2 kN |
| Calculation data · Permissible radial housing load · max. | 1.25 kN |
| Calculation data · Limiting speed | 9500 r/min |
| Calculation data · Dimension | Limiting speed with shaft tolerance h6 |
| Mounting information · Set screw · (G_2) | M6x0.75 |
| Mounting information · Hexagonal key size for set screw | 3 mm |
| Mounting information · Recommended tightening torque for set screw | 4 N·m |
| Mounting information · Recommended diameter for attachment bolts, mm · (G) | 8 mm |
| Mounting information · Recommended diameter for attachment bolts, inch · (G) | 0.3125 in |
Family specifications and selection conditions
| Product description | Pillow (plummer) block ball bearing units consisting of an insert bearing mounted in a pressed steel housing that can be bolted to a support surface. In addition to being part of a unit, some pillow block housings for insert bearings are available as separate components. The SKF assortment includes units that are compliant with several industrial standards and meet many requirements. |
|---|---|
| Manufacturer features | Ready to mount • Lubricated and sealed bearings • Quick locking on the shaft • Large variety of housing shapes, housing materials, and locking methods • Concentric locking options for high speeds and low vibration |
Manufacturer references
Follow the complete manufacturer documentation for application restrictions, materials, tolerances and installation requirements. Limits may not apply simultaneously. We do not publish inferred stock, pricing or ratings.