d - 60 mm

D - 130 mm

B - 31 mm

d₁ - - 77 mm

D₁ - - 106 mm

a - 67 mm

r_1,2 - min. - 2.1 mm

d_a - min. - 72 mm

D_a - max. - 118 mm

r_a - max. - 2 mm

Basic dynamic load rating - C - 156 kN

Basic static load rating - C₀ - 137 kN

Fatigue load limit - P_u - 5.8 kN

Reference speed - 6700 r/min

Limiting speed - 9000 r/min

Calculation factor - k_a - 1.1

Calculation factor - e - 0.95

Calculation factor - X - 0.6

Calculation factor - Y₀ - 0.58

Calculation factor - Y₁ - 0.66

Calculation factor - Y₂ - 1.07

Mass bearing - 2.15 kg

• Model Number:QJ 312 MA
• Inner Diameter：130mm Outer Diameter：60mm Width：31mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-16
• Application:engine,Switch,electronic materials,Vertical pull,plastic molding,hydraulic connector,universal category,glass,non-motor vehicle Electric car,other processing,Control
• Similar models:NTN 7312BDT AST 5312 KOYO 7312 PFI PHU3124 NKE 3312-B-2Z-TV ISB 7312B SKF 7312BEGAM ISO 7312C FBJ 5312 ISO 3312-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in QJ312MA products，there is large inventory of SKF QJ 312 MA . We has been built up long-term cooperation with SKF company, could make a bulk order of the QJ 312 MA Which SKF QJ312MA 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.

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  1985/1931B	28,575	60,325	19,355	Timken	Tapered Roller Bearings
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  7214 A	70	125	24	ISO	Angular Contact Ball Bearings
  ASTT90 12560	125	130		AST	Plain Bearings
  B-69	9.525	14.288	14.27	KOYO	Needle Roller Bearings
  C 30/800 KMB + OH 30/800 HE	1150	750	366	SKF	Cylindrical Roller Bearings
  E 210 /S/NS /S 7CE3	10	30	9	SNFA	Angular Contact Ball Bearings
  F679HZZ	9	14	4,5	AST	Deep Groove Ball Bearings
  NJ424-M1 + HJ424	120	310	72	FAG	Cylindrical Roller Bearings
  NU 318	90	190	43	SIGMA	Cylindrical Roller Bearings
  NUP2220E	100	180	46	NTN	Cylindrical Roller Bearings
  RNAO20X28X26	20	28	26	KOYO	Needle Roller Bearings
  2MMV216WI-CRDU	80	140	26	FAF	ANGULAR CONTACT BALL BEARINGS
  SSR-16	1.0000	2.0000	.3750	New Departure	DEEP GROOVE BALL BEARINGS
  52436				STEYR	THRUST BALL BEARINGS
  NCF-2216V	80	140	33	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  RMS-28-L	10.0000	18.5000	3.2500	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  94412	.8750	1.3750	.7500	CONSOLIDATED	JOURNAL ROLLER ASSEMBLIES
  SUP-8-OPN	.5000	.8750	1.2500	CONSOLIDATED	EXTRA CAPACITY LINEAR RECIRCULATING BALL BEARINGS