23014 bearing: complete specifications & equivalents

Specification table

Source: ISO 15 boundary-dimensions standard · extracted 2026-09-24

Standard-interchange bearing: dimensions per ISO 15; CN clearance, P0 tolerance and a stamped-steel cage are catalogue defaults unless the supplier states otherwise, and mass is a geometry-derived estimate. Brand catalogue load ratings and limiting speeds for 23014 are being backfilled — use the inquiry form for certified values.

Cross references & equivalents

No verified interchange data yet. Send an inquiry and our team will confirm equivalents manually.

How the 23014 model number is decoded

In the 23000-series (ISO 15 dimension series) the leading 2 marks a double-row spherical roller and the last two digits of 23014 encode the bore: code 14 = 70 mm (code × 5 from 04 upward). The ISO 15 envelope is 110 mm outside diameter and 27 mm width — 2.756 × 4.331 × 1.063 in, with a 20.0 mm radial section height. Two rows of symmetrical barrel rollers on a common sphered outer raceway self-align to shaft deflection while carrying heavy radial load and bidirectional axial load. Typical catalogue practice for a rotating inner ring is a k5 shaft seat, H7 housing and C3 internal clearance; K variants use a 1:12 tapered bore on an adapter sleeve — verify against the mounting arrangement.

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• On this 70 mm-bore 23014, specify C3 clearance as the default for an interference inner-ring fit and verify residual play after mounting; a medium-section row that ran free on the bench can be fully clamped at operating temperature on the 70 mm shaft.
• The 230 series keeps the outside diameter one step below the 222 medium row at the same bore (110 mm against roughly a size larger), which raises shaft support without growing the housing — the flip side is that its 20.0 mm section concentrates load, so seat finish, shoulder squareness and housing stiffness matter more than on a wider 223 row.
• Thermal soak matters on this 70 mm-bore row: a 110 mm housing heating faster than the shaft closes the 20.0 mm section's internal clearance, so a mount that ran quiet cold can seize hot — start from C3/C4 and verify the operating-temperature play before signing off the 27 mm assembly.
• Check the shoulder geometry for 23014: a generous fillet on the 70 mm shaft looks strong but stops the 27 mm inner ring seating home; use the catalogue corner-relief radius and provide a withdrawal groove so the 20.0 mm-section outer ring presses flush in the 110 mm housing.
• Large 23014 tapers should be mounted with a hydraulic nut or oil injection: controlled drive-up sets the residual radial clearance on the 27 mm-wide double row, whereas bar-and-spanner force either under-drives (fretting) or over-drives (thermal seizure on first hot run).
• When reusing a sleeve-mounted 23014, inspect the adapter and lock parts together with the bearing: a stretched sleeve or a bent lockwasher tab that let the inner ring creep on the 70 mm journal must be replaced, or the new bearing frets the same seat.
• Spherical rollers need a minimum radial load to keep the rollers driven — as a rule of thumb about 2% of the basic dynamic load rating; an unloaded 23014 on an idler or in a cold-start drive will skid and smear, so add preload, reduce the bearing size or use a sealed grease-filled variant.
• Choose the bore type deliberately: plain 23014 takes a cylindrical seat, while the K variant has a 1:12 tapered bore and mounts on an adapter sleeve (H3xx series) over a plain commercial shaft or directly on a tapered journal — the two mounting procedures are not interchangeable.