Field Meaning Description

01E 01 Series Enhanced Split Cylindrical Roller Bearing. Radial load is increased by approximately 30% compared to the basic 01 series. Dimensions are interchangeable; original housing can be used.

B Inner ring with tapered locking sleeve. Quick clamping and positioning, good centering, strong anti-loosening, and efficient assembly and disassembly.

311 Imperial inner diameter 3-11/16″ (93.66 mm). Corresponds to metric 93.66 mm.

EX Floating (Expansion) type. Outer ring without flanges, only bears radial load, allows free axial movement of the shaft.

Fully Split Structure: The inner ring, outer ring, rollers, and cage are all split in half, allowing for assembly and disassembly without disassembling the shaft or adjacent components, significantly reducing downtime.

Increased Load Capacity: Radial load capacity is increased by approximately 30% compared to the basic 01 series, resulting in longer service life and greater safety margin.

Floating Design (EX): Adapts to shaft thermal expansion and contraction, eliminating additional stress on axial movement and bearing only radial loads.

Tapered Locking Sleeve (B): Provides quick locking and positioning, excellent alignment, strong anti-loosening capability, and efficient installation and disassembly.

Size Interchangeability: Can directly replace older 01 series bearings of the same specifications without requiring modifications to existing housings.

Relubrication Capability: Features standard lubrication holes for convenient maintenance and extended service life.