d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

Angle (α) - 30 °

a - 10.8 mm

r min. - 2 mm

r1 min. - 1 mm

2B - 58 mm

da min. - 61 mm

Da max. - 114 mm

ra max. - 1 mm

Weight - 1.45 Kg

Basic dynamic load rating (C) - 139 kN

Basic static load rating (C0) - 123 kN

(Grease) Lubrication Speed - 4000 r/min

(Oil) Lubrication Speed - 5500 r/min

• Model Number: 7311DF
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Angular Contact Ball Bearings
• Update date：2025-04-22
• Application:joint protection,Small air generators,equipment,noise reduction equipment,Air,transportation equipment,Ball screw,air conditioning tools,Textile Industry Accessories and Accessories,food testing,PVC
• Similar models:CRAFT 7311C SKF 7311BEGAP CYSD 7311C NACHI 7311DF NTN 7311DT NSK 7311BEA ISO 7311ADF NACHI 7311CDB CX 7311B-UO KOYO 7311
• BEARING POWER International Trading Co.,Ltd. specialize in 7311DF products，there is large inventory of NACHI 7311DF . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 7311DF Which NACHI 7311DF 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
  230/670W33	670	980	230	ISO	Spherical Roller Bearings
  5204K PRB	20	47	20,62	Timken	Angular Contact Ball Bearings
  5217-2RS	85	150	49,213	AST	Angular Contact Ball Bearings
  6015NSE	75	115	20	NACHI	Deep Groove Ball Bearings
  6208-2RSR	40	80	18	FAG	Deep Groove Ball Bearings
  7210 A	50	90	20	NSK	Angular Contact Ball Bearings
  EB1.25.0455.200-1STPN	355	590,4	80	ISB	Thrust Ball Bearings
  EXPE218	90			SNR	Bearing Units
  F624ZZ	4	15	5	NSK	Deep Groove Ball Bearings
  HJ-364824	57,15	76,2	38,1	Timken	Needle Roller Bearings
  HM218248/HM218210	90.000	147.000	40.000	NACHI	Tapered Roller Bearings
  NAXI 4535	45	62		IKO	Complex Bearings
  NU324	120	260	55	ISO	Cylindrical Roller Bearings
  UCT214	70			SNR	Bearing Units
  UCTX15	75			KOYO	Bearing Units
  XW-20				INA	THRUST BALL BEARINGS
  ML413	65	160	37	Rollway	CYLINDRICAL ROLLER BEARINGS
  HR-23/4-XB	1.2500	2.7500	1.5000	Smith	NEEDLE BEARINGS
  234422MSP/5	110	170	234422 M.SP	CONSOLIDATED	ANGULAR CONTACT THRUST BALL BEARINGS
  160x180x13mm	160	180	13	CONSOLIDATED	OIL SEALS