Manufactured by CHG Bearing, the 27FC19120 is a precision Four-Row Cylindrical Roller Bearings. Key dimensional parameters include a 135 mm bore diameter, a 188 mm outer diameter, and a 121 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.
27FC19120 - Four-Row Cylindrical Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 27FC19120 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Cylindrical Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 135 mm |
| Width (B) | 121 mm |
| Outer Diameter (D) | 188 mm |
| Bore Diameter Tolerance | -0.025 – 0 mm |
| Outside Diameter Tolerance | -0.030 – 0 mm |
| Width Tolerance | -0.25 – 0 mm |
| Enveloping Circle Diameter Fw | 150 mm |
| Inner Ring Chamfer | 1.5 min mm |
| Outer Ring Chamfer | 1.5 min mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 632 kN |
| Basic Static Load Rating C0 (kN) | 1260 kN |
| Material | |
| Mass (kg) | 10.3 kg |
| Ring Material | Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | Brass |
| Lubrication Groove Width | 8.5 mm |
| Lubrication Holes (qty × Ø mm) | 4 × Ø4 |
27FC19120 188 mm 135 mm 150 mm 121 mm Frequently Asked Questions about 27FC19120 Four-Row Cylindrical Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, 100% of 27FC19120 Four-Row Cylindrical Roller Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
Engineered according to international ISO boundary plans, CHG Bearing supplies 27FC19120 with a precision bore diameter (d) of 135 mm, an outside diameter (D) of 188 mm, and a nominal ring width (B) of 121 mm. This configuration yields an effective cross-sectional wall thickness of 26.5 mm and an envelope ratio (D/d) of 1.39, delivering compact rigidity for OEM machinery housings.
To ensure optimum performance of CHG Bearing 27FC19120 Four-Row Cylindrical Roller Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 135 mm bore. For the 188 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Quality starts with raw material selection: CHG Bearing crafts 27FC19120 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
