d - 105 mm

D - 190 mm

B - 50 mm

C - 50 mm

r1 min. - 2.1 mm

da min. - 117 mm

Da max. - 178 mm

ra max. - 2 mm

Weight - 6.06 Kg

Basic dynamic load rating (C) - 109 kN

Basic static load rating (C0) - 44,5 kN

(Grease) Lubrication Speed - 2900 r/min

(Oil) Lubrication Speed - 3500 r/min

Calculation factor (e) - 0.28

Calculation factor (Y0) - 2.4

Calculation factor (Y1) - 2.3

Calculation factor (Y2) - 3.5

• Model Number:2221
• Inner Diameter：105mm Outer Diameter：190mm Width：50mm
• Type：Self-Aligning Ball Bearings
• Update date：2025-12-16
• Application:car and accessories,Industrial,paper processing machine,other CNC,journal lathe,diagnostic test paper,teaching equipment,Pneumatic Actuator,motorcycle,marine analysis,Cylinder Pneumatic Treatment Element
• Similar models:NSK 2221 KOYO 2221-2RS ISO 2221K+H321 CX 2221 NTN 2221S KOYO 2221 AST 2221 CX 2221K ISO 2221 NACHI 2221
• BEARING POWER International Trading Co.,Ltd. specialize in 2221 products，there is large inventory of NACHI 2221 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 2221 Which NACHI 2221 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
  22317MW33	85	180	60	CRAFT	Spherical Roller Bearings
  28580A/28521	50,8	92,075	24,608	Timken	Tapered Roller Bearings
  30206	30	62	17,25	PFI	Tapered Roller Bearings
  30324JR	120	260	59,5	KOYO	Tapered Roller Bearings
  3062/3162	15,875	41,275	14,288	KOYO	Tapered Roller Bearings
  32213F	65	120	32,75	Fersa	Tapered Roller Bearings
  390/394A	57,15	110	22	CX	Tapered Roller Bearings
  46218	90	140	37	KOYO	Tapered Roller Bearings
  6018NR	90	140	24	KOYO	Deep Groove Ball Bearings
  71912 C	60	85	13	CX	Angular Contact Ball Bearings
  7219 ADT	95	170	64	ISO	Angular Contact Ball Bearings
  7336-B-MP	180	380	75	NKE	Angular Contact Ball Bearings
  AST50 24IB20	38,1			AST	Plain Bearings
  E33213J	65	120	41	NACHI	Tapered Roller Bearings
  HM237532/10	160,325	288,925	63,5	CX	Tapered Roller Bearings
  NP312	60	130	31	ISO	Cylindrical Roller Bearings
  RFE35	35			INA	Bearing Units
  SL014952	260	360	100	INA	CYLINDRICAL ROLLER BEARINGS
  MCS410	50	130	31	Rollway (Bronze Cage)	CYLINDRICAL ROLLER BEARINGS
  K-26x31x20	26	31	20	CONSOLIDATED	NEEDLE BEARINGS