d - 105 mm

D - 190 mm

B - 36 mm

C - 36 mm

r1 min. - 2.1 mm

da min. - 117 mm

Da max. - 178 mm

ra max. - 2 mm

Weight - 4.37 Kg

Basic dynamic load rating (C) - 74,5 kN

Basic static load rating (C0) - 32,5 kN

(Grease) Lubrication Speed - 2900 r/min

(Oil) Lubrication Speed - 3500 r/min

Calculation factor (e) - 0.18

Calculation factor (Y0) - 3.7

Calculation factor (Y1) - 3.5

Calculation factor (Y2) - 5.5

• Model Number:1221
• Inner Diameter：105mm Outer Diameter：190mm Width：36mm
• Type：Self-Aligning Ball Bearings
• Update date：2025-12-18
• Application:education model Instruments,embroidery cloth,Power equipment,metal mold,experimental equipment,suction nozzle,noise inspection,multi-knife lathe,Other Measurements,Industrial,Ball screw
• Similar models:NKE 1221 FAG 1221-M CX 1221K+H221 ISO 1221K+H221 AST 1221 KOYO 1221 NACHI 1221 CX 1221K NSK 1221 CX 1221
• BEARING POWER International Trading Co.,Ltd. specialize in 1221 products，there is large inventory of NACHI 1221 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 1221 Which NACHI 1221 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
  22311-E1-K-T41A + AHX2311	50	120	43	FAG	Spherical Roller Bearings
  212-KRR	60	110	36	INA	Deep Groove Ball Bearings
  2474/2420	28,575	68,262	22,225	ISO	Tapered Roller Bearings
  4T-68462/68712	117,475	180,975	34,925	NTN	Tapered Roller Bearings
  6007	35	62	14	CX	Deep Groove Ball Bearings
  6917-RS	85	120	18	CYSD	Deep Groove Ball Bearings
  695ZZ	5	13	4	ISB	Deep Groove Ball Bearings
  7024DT	120	180	28	CYSD	Angular Contact Ball Bearings
  BA168-1	168	205	20	NSK	Angular Contact Ball Bearings
  K81248-M	240	340	32	INA	Thrust Roller Bearings
  KDA300	762	787,4	12,7	KOYO	Angular Contact Ball Bearings
  NK25/16	25	33	16	ZEN	Needle Roller Bearings
  N 1015 KTNHA/SP	75	115	20	SKF	Cylindrical Roller Bearings
  NJ2220-E-TVP3	100	180	46	NKE	Cylindrical Roller Bearings
  RLS5-2RS	15,875	39,688	11,113	ZEN	Deep Groove Ball Bearings
  UCPX07-22	34,925		49,2	FYH	Bearing Units
  RNA2209P-2RS	85		22.8	SKF (Old No.)	NEEDLE BEARINGS
  1908-RDU#7BKE	40	62	12	MRC	ANGULAR CONTACT BALL BEARINGS
  20BPPL	95	200	45	RIV	DEEP GROOVE BALL BEARINGS
  SCE-1312			.7500	CONSOLIDATED	NEEDLE BEARINGS