d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

r min. - 2 mm

Weight - 1,77 Kg

Basic dynamic load rating (C) - 206 kN

Basic static load rating (C0) - 171 kN

(Grease) Lubrication Speed - 6000 r/min

(Oil) Lubrication Speed - 7500 r/min

Calculation factor (e) - 0,29

Calculation factor (Y0) - 2,27

Calculation factor (Y1) - 2,32

Calculation factor (Y2) - 3,45

• Model Number:21311AX
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-12
• Application:Gripper Swing,universal category,Laser Measurements,ignition system,generator,clean stationery,wall industry,multi-knife lathe,sleep monitoring,medical equipment,nail products
• Similar models:NACHI 21311EX1 INA 712131110 NACHI 21311AX NACHI 21311AXK NACHI 21311EX1K
• BEARING POWER International Trading Co.,Ltd. specialize in 21311AX products，there is large inventory of NACHI 21311AX . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 21311AX Which NACHI 21311AX is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  23956R	280	380	75	KOYO	Spherical Roller Bearings
  24092-B-MB	460	680	218	FAG	Spherical Roller Bearings
  32015 X/Q	115	75	25	SKF	Tapered Roller Bearings
  56425/56650B	107,95	165,1	36,512	Timken	Tapered Roller Bearings
  6006M3/31CS25-1	31	55	13	NTN	Deep Groove Ball Bearings
  6203-ZP	17	40	12	MPZ	Deep Groove Ball Bearings
  6309N	45	100	25	NTN	Deep Groove Ball Bearings
  B-2816	44,45	53,975	25,4	Timken	Needle Roller Bearings
  FNTA-4060	40	60	3	NSK	Needle Roller Bearings
  GEM 25 ES-2RS	25	42	29	SIGMA	Plain Bearings
  K43X48X24	43,000	48,000		NTN	Needle Roller Bearings
  KBK16X20X18.8	16,000	20,000		NTN	Needle Roller Bearings
  NN3036	180	280	74	CX	Cylindrical Roller Bearings
  NJ3308	40	90	36,5	CX	Cylindrical Roller Bearings
  NF240E	200	360	58	FAG	CYLINDRICAL ROLLER BEARINGS
  6212NR	60	110	22	FAG	DEEP GROOVE BALL BEARINGS
  SAF226	5.8750	4.9375		Torrington	PILLOW BLOCKS
  S-20-LWX			.4375	RBC	NEEDLE BEARINGS
  CRL10	1.2500	2.7500	.6875	SKF	CYLINDRICAL ROLLER BEARINGS
  TREL-4	.2500		.3750	CONSOLIDATED	ROD ENDS