SKF · mounted bearings
SKF SAF 22511X2
Housing kits — 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 | 50.8 mm |
|---|---|
| Width, total | 98.425 mm |
| Centre height (pillow block) | 69.85 mm |
| Centre distance between bolt holes | 198.438 mm |
| Bore diameter (bearing) | 55 mm |
| Basic dynamic load rating | 129 kN |
| Basic static load rating | 127 kN |
| Limiting speed | 8500 r/min |
| SKF performance class | SKF Explorer |
| Housing type | Pillow block |
| Housing configuration | Two-piece |
| Mounting arrangement | Through shaft/shaft end |
| Number of bolt holes for fasteners | 2 |
| Fastening bolt hole type | Cast |
| Bearing housing seal type | Labyrinth |
| Rolling bearing type | Spherical roller bearing |
| Bearing configuration | On adapter sleeve |
| Locating ring | With |
| End cover | Optional |
| Material, housing | Cast iron |
| Relubrication hole | With |
| Grease fitting | With |
| Unit system | Inch |
| Product net weight | 7.8 kg |
| eClass code | 23-05-16-01 |
| UNSPSC code | 31171511 |
| Dimensions · Shaft diameter · (d_a) | 50.8 mm |
| Dimensions · Diameter of bearing seat · (D_a) | 100 mm |
| Dimensions · Tolerance class of bearing seat diameter | G7 |
| Dimensions · Width of bearing seat · (C_a) | 30.785 mm |
| Dimensions · Housing foot width · (A_1) | 69.85 mm |
| Dimensions · Width · (A_2) | 98.425 mm |
| Dimensions · Height · (H) | 133.35 mm |
| Dimensions · Centre height of bearing seat · (H_1) | 69.85 mm |
| Dimensions · Foot height · (H_2) | 23.813 mm |
| Dimensions · Distance between attachment bolts · (J) · min. | 187.325 mm |
| Dimensions · Distance between attachment bolts · (J) · max. | 209.55 mm |
| Dimensions · Length · (L) | 244.475 mm |
| Dimensions · Width of attachment bolt hole · (N_1) | 19.05 mm |
| Dimensions · Offset of locating bearing · (S) | 3.175 mm |
| Dimensions · Threaded holes · Distance of drain plug from centre · (R_1) | 34.131 mm |
| Dimensions · Threaded holes · Height of drain plug position · (R_2) | 15.875 mm |
| Dimensions · Threaded holes · Thread of drain hole · (R_G) | 1/8-27 NPT |
| Dimensions · Threaded holes · Thread for grease fitting in cap · (P_G) | 1/8-27 NPT |
| Calculation data · Dynamic load rating · (C) | 129 kN |
| Calculation data · Static load rating · (C_0) | 127 kN |
| Calculation data · Fatigue load limit · (P_u) | 14 kN |
| Calculation data · Reference speed | 6300 r/min |
| Calculation data · Limiting speed | 8500 r/min |
| Calculation data · Limiting value · (e) | 0.24 |
| Calculation data · Calculation factor · (Y_1) | 2.8 |
| Calculation data · Calculation factor · (Y_2) | 4.2 |
| Calculation data · Calculation factor · (Y_0) | 2.8 |
| Recommended safe loads · Safe load at 60° load angle · (P_60) | 44.9 kN |
| Recommended safe loads · Safe load at 90° load angle · (P_90) | 27.1 kN |
| Recommended safe loads · Safe load at 120° load angle · (P_120) | 17.3 kN |
| Recommended safe loads · Safe load at 150° load angle · (P_150) | 15.6 kN |
| Recommended safe loads · Safe load at 180° load angle · (P_180) | 19.1 kN |
| Recommended safe loads · Safe load, axial · (P_a) | 12.4 kN |
| Materials · Housing material | Cast iron |
| Materials · Paint, corrosion protection | Paint - in accordance with ISO 12944-2, corrosivity category C2 |
| Mounting information · Cap bolt | 1/2-13 UNC x 2-3/4 |
| Mounting information · Number of cap bolts | 2 |
| Mounting information · Recommended tightening torque for cap bolts | 81.3 N·m |
| Mounting information · SAE grade of cap bolt | 5 |
| Mounting information · Recommended diameter of attachment bolts · (G) | 15.875 mm |
| Mounting information · Locating bearing position · Required locating (stabilizing) ring | SR-11-0 |
| Mounting information · Locating bearing position · Number of required locating rings | 1 |
| Mounting information · Lubrication · Initial grease fill, 20% | 68 g |
| Mounting information · Lubrication · Initial grease fill, 40% | 109 g |
| Mounting information · Lubrication · Oil level · (h) | 30.163 mm |
Family specifications and selection conditions
| Product description | SAF and SAW split pillow blocks use a two-piece, cast metal housing with inch dimensions. With the included SKF bearings, seals, and related components, they provide a tailored solution to achieve maximum service life and reduce maintenance requirements for rotating equipment. These pillow blocks have been developed to be the best choice for design, quality, robustness, and cost efficiency. |
|---|---|
| Manufacturer features | Robust design for tough operating conditions • Customizable configurations • Suitable for locating and non-locating bearing positions • Cost-effective bearing solution |
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.