d - 55 mm

D - 120 mm

B - 49.2 mm

d₂ - - 68.4 mm

D₂ - - 109.4 mm

r_1,2 - min. - 2 mm

a - 72 mm

d_a - min. - 66 mm

D_a - max. - 109 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 112 kN

Basic static load rating - C₀ - 81.5 kN

Fatigue load limit - P_u - 3.4 kN

Reference speed - 5300 r/min

Limiting speed - 5300 r/min

Calculation factor - k_r - 0.07

Calculation factor - e - 0.8

Calculation factor - X - 0.63

Calculation factor - Y₀ - 0.66

Calculation factor - Y₁ - 0.78

Calculation factor - Y₂ - 1.24

Mass bearing - 2.65 kg

• Model Number: 3311 ATN9
• Inner Diameter：120mm Outer Diameter：55mm Width：49,2mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-12
• Application:noise inspection,impression material,Medical room equipment,Safety protection,container finishing,decoration machinery,car steering pin,diagnostic test paper,large agricultural machinery,coal mill,construction machinery and equipment
• Similar models:SKF 3311A CX 3311-2RS ISB 3311-2RS ISO 3311ZZ SKF 3311A-2Z FAG 3311-BD SNR 3311B CRAFT 3311 FAG 3311-B-2RSR-TVH ISB 3311D
• BEARING POWER International Trading Co.,Ltd. specialize in 3311ATN9 products，there is large inventory of SKF 3311 ATN9 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 3311 ATN9 Which SKF 3311ATN9 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
  1206 K	30	62	16	NSK	Self-Aligning Ball Bearings
  239/800 EKW33+OH39/800	750	1060	195	ISB	Spherical Roller Bearings
  240/500-K30-MB-W33	500	720	218	NKE	Spherical Roller Bearings
  32314-A	70	150	54	FAG	Tapered Roller Bearings
  61816	80	100	10	ISO	Deep Groove Ball Bearings
  6203NKE	17	40	12	NACHI	Deep Groove Ball Bearings
  AST50 06FIB08	9,525			AST	Plain Bearings
  CRO-9610LL	479,425	679,45	495,3	NTN	Tapered Roller Bearings
  GE 20 SB	20	40	25	ISB	Plain Bearings
  JHM318448/JHM318410	90	155	44	Fersa	Tapered Roller Bearings
  K37X43X22.6	37,000	43,000		NTN	Needle Roller Bearings
  NKX 15	24	15	23	SKF	Cylindrical Roller Bearings
  PCZ 0908 E	14,288	16,669	12,7	SKF	Plain Bearings
  S6012	60	95	18	ZEN	Deep Groove Ball Bearings
  UCTH207-230	35		107	KOYO	Bearing Units
  CSEF045	4.5000	6.0000	.7500	INA	ANGULAR CONTACT BALL BEARINGS
  NNCF5017CV	85	130	60	SKF	CYLINDRICAL ROLLER BEARINGS
  NU2305E	25	62	24	SKF	CYLINDRICAL ROLLER BEARINGS
  1036	4.3437	2.6875		NICE	THRUST BALL BEARINGS
  T743				Rollway	THRUST ROLLER BEARINGS