595-592A bearing: complete specifications & equivalents

Specification table

Source: catalog reference (NTN 2203E 2026-09-25) · extracted 2026-10-01

Parameters extracted from the official NTN Ball and Roller Bearings catalogue (NTN 2203E 2026-09-25); NTN® is a trademark of NTN Corporation, used here for identification only — mpnbase is not an authorized NTN distributor. Boundary dimensions are ISO 15 interchangeable; current production values may differ, verify at ntnglobal.com.

Cross references & equivalents

Interchange levels: full standard interchange · partial verify parameters · verify manual confirmation required. Links resolve to the equivalent model's specification page where available.

How the 595-592A model number is decoded

The NTN 2203E inch table prints 4T-595/592A at 82.55 mm bore (3.25 in), 152.4 mm cup OD and 39.688 mm assembled T, with a grease limiting speed of 2,300 r/min and an oil ceiling of 3,100 r/min. The 4T prefix is NTN's tapered roller quality mark stamped on both parts; it is a brand mark, not a size code, so cross-references quote 595/592A without it. The 34.9 mm radial section over the 82.55 mm bore positions the contact line of the pair; abutment shoulders and spacers are dimensioned from that geometry, not from the bore alone. Housing fitment sequence for 4T-595/592A: press the 592A cup square into the 152.4 mm seat first, then bring the 595 cone (on its 82.55 mm shaft) into adjustment — the two references are separate engineering parts that happen to ship as one set. Minimum load matters at speed: an unloaded 4T-595/592A run near 2,300 r/min lets the rollers skid; lightly spring-preload high-speed pair arrangements.

Typical equipment & failure modes

Selection pitfalls — read before you substitute

• Mount the 82.55 mm cone by induction heating (max 120 °C) and the 152.4 mm cup with a press sleeve; at 3020 g a cocked ring brinells the raceway directly.
• The pure-numeric inch family at 82.55 mm bore (152.4×39.688 mm assembled) is one of several inch families sharing similar bores; cross-series swaps change OD, T and contact angle, so match the full 595/592A reference at purchase.
• Replacing one half of an adjusted pair without resetting end play negates the 39.688 mm T logic: re-adjust the set and re-verify the contact pattern rather than reusing the old spacer stack.
• Grease packs must leave free volume inside the 39.688 mm-wide set; over-greasing a pair churning near the oil-band speed of 3,100 r/min raises temperature and destroys the setting.
• An unloaded 4T-595/592A near 2,300 r/min lets rollers skid and smear the cone rib; spring-preload lightly loaded high-speed pairs.
• The 199/279 kN ratings here are NTN Ball and Roller Bearings CAT.No.2203E figures for 4T-595/592A; internal geometry legitimately differs between inch-series makers, so re-verify ratings, adjustment and the exact cone/cup references before substituting another brand on a rated drive.