浙江天马轴承集团有限公司

Deep groove ball bearings

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161

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349

360

Cylindrical roller bearings

Angular contact ball bearings

Tapered roller bearings

Spherical roller bearings

Self-aligning ball bearings

Thrust ball bearings

Cylindrical roller thrust bearings

Spherical roller thrust bearings

Joint bearings

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浙江天马轴承集团有限公司总部位于湖州莫干山高新技术产业开发区通航制造小镇。拥有30余年的发展历史，公司

注册资本20亿元，是一家大型轴承企业。公司有十大类共8000多个品种的轴承产品：圆柱滚子轴承(单双列、四列)、 深

沟球轴承、 圆锥滚子轴承、调心滚子与调心球轴承、角接触球轴承(单双列)、 推力滚子与推力球轴承、非标轴承等; 广泛应

用于：轨道交通、汽车、风电、船舶、机床、工程机械、冶金、石油机械、电机等领域。其中圆柱滚子轴承、轨道交通轴

承、风电轴承、冶金轴承等在轴承行业一直享有很高的知名度。公司的高端轴承使用自主研发的新材料，其长寿命和高质

量赢得了国内外用户的青睐。

公司拥有一个国家级企业技术中心、多个省级高新技术企业、 国家级博士后科研工作站和院士工作站，具有雄厚的

技术实力。 公司自有品牌“TMB”为中国名牌、中国驰名商标、最具市场竞争力品牌。先后通过ISO9001、ISO14001、

TS16949、实验室等质量环境管理体系证。公司建立了一套完善的销售网络及服务体系，产品畅销全国，远销欧美等发达

国家和地区。

公司先后荣获“中国机械行业百强企业”称号、中国轴承行业先进管理企业、浙江省首届诚信示范企业、浙江省绿色

企业、浙江省AAA级守合同重信用企业。公司在资金实力、生产规模、技术力量和销售业绩等诸多方面上都位居中国轴

承行业前列。

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成都天马精密机械有限公司占地约26.6万平米，员工1200余人。

公司专注于回转支承和特殊材料的研发制造、销售和服务，产品被广

泛应用于风力发电、工程机械、船舶和港口机械。

天马精密坚持以国家重点发展的技术装备和新兴产业为导向，

以自主创新为主导，从而实现风力发电轴承自主设计和制造，打破

国外轴承公司和风机制造公司对国内市场的垄断，带动我国风力发

电轴承自主研发，提升国内轴承装备的制造实力，特别是海上风电

轴承的规模化生产已引领行业发展。实现了全球TOP2，国内TOP1

的风电轴承的生产。

产品：风电主轴轴承、风电偏航、变桨轴承，工程机械转盘轴承。

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补充代号

单列开式深沟球轴承

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单列密封深沟球轴承 ..................................................................................

Capped single row deep groove ball bearings

带装球缺口的单列深沟球轴承 ..............................................................

Single row deep groove ball bearings with filling slots

Single row deep groove ball bearings

Designation system

带装球缺口、止动槽、止动环的单列深沟球轴承 .....................

Single row deep groove ball bearings with filling slots and a snap ring

双列深沟球轴承

Double row deep groove ball bearing

TMB EXTRA

EXTRA

EXTRA

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Designation system

N：Snap ring groove in the outer ring

NR：Snap ring groove in the outer

ring, with appropriate snap ring

N1：One locating slot (notch) in one

outer ring side face

R：Flanged outer ring

-RS1,-2RS1：Contact seal, NBR, on

one or both sides

-RS2,-2RS2：Contact seal, FKM, on

one or both sides

-RSH,-2RSH：Contact seal, NBR, on

one or both sides

-RSL,-2RSL：Low-friction seal, NBR,

on one or both sides

-RZ,-2RZ：Non-contact seal, NBR, on

one or both sides

-Z,-2Z：Shield on one or both sides

-ZNR：Shield on one side, snap ring

groove in the outer ring, snap ring on

-2ZNR：Shield on both sides, snap

ring groove in the outer ring, with snap ring

-2ZS：Shield on both sides, held in

place by a retaining ring

-：Stamped steel cage, ball centred

M：Machined brass cage, ball

centred; different designs or material

grades are

MA(S)：Machined brass cage, outer

ring centred. The S indicates a lubrication

groove in the guiding surface

MB：Machined brass cage, inner ring

centred. The S indicates a lubrication

groove in the guiding surface

TVP2：Glass fibre reinforced PA66

cage, ball centred

TVP8：Glass fibre reinforced PEEK

cage, ball centred

TVP5：Glass fibre reinforced PA46

cage, ball centred

S0：Bearing rings heat stabilized for

operating temperatures ≤ 150 °C

S1：Bearing rings heat stabilized for

operating temperatures ≤ 200 °C

DB：Two bearings matched for

mounting back-to-back

DF：Two bearings matched for

mounting face-to-face

DT：Two bearings matched for

mounting in tandem

P5：Dimensional and running accuracy to P5 tolerance class

P6：Dimensional and running accuracy to P6 tolerance class

P52：P5+C2

P62：P6+C2

P63：P6+C3

CN：Normal radial internal clearance;

only used together with an additional letter

that identifies a reduced or displaced

clearance range

H Reduced clearance range corresponding to the upper half of the

actual clearance range

L Reduced clearance range corresponding to the lower half of the

actual clearance range

P Displaced clearance range comprising the upper half of the actual

clearance range plus the lower half of

the next larger clearance range

The above letters are also used

together with the clearance classes

C2, C3, C4 and C5, e.g. C2H

C1：Radial internal clearance

smaller than C2

C2：Radial internal clearance

smaller than Normal

C3：Radial internal clearance

greater than Normal

C4：Radial internal clearance

greater than C3

C5：Radial internal clearance

greater than C4

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Single row deep groove ball bearings

Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease Oil

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Dimensions Abutment and fillet dimensions

min. min. max. max.

Calculation factors

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Single row deep groove ball bearings

Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease Oil

15

Dimensions Abutment and fillet dimensions

min. min. max. max.

Calculation factors

16

Single row deep groove ball bearings

Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease Oil

17

Dimensions Abutment and fillet dimensions

min. min. max. max.

Calculation factors

18

Single row deep groove ball bearings

Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease Oil

19

Dimensions Abutment and fillet dimensions

min. min. max. max.

Calculation factors

20

Single row deep groove ball bearings

Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease Oil

21

Dimensions Abutment and fillet dimensions

min. min. max. max.

Calculation factors

22

Single row deep groove ball bearings

Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease Oil

23

Dimensions Abutment and fillet dimensions

min. min. max. max.

Calculation factors

24

Single row deep groove ball bearings

Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease Oil

25

Dimensions Abutment and fillet dimensions

min. min. max. max.

Calculation factors

26

Single row deep groove ball bearings

Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease Oil

27

Dimensions Abutment and fillet dimensions

min. min. max. max.

Calculation factors

28

Single row deep groove ball bearings

Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease Oil

29

Dimensions Abutment and fillet dimensions

min. min. max. max.

Calculation factors

30

Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease

Non-contact Sealed Contact Sealed Low-friction Sealed

Oil

Capped single row deep groove ball bearings

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max. min. max. max. min. max. max. min. max. max. max. min. max. max.

Snap ring groove Dimensions Snap ring Dimensions Abutment and fillet dimensions

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Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease

Non-contact Sealed Contact Sealed Low-friction Sealed

Oil

Capped single row deep groove ball bearings

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max. min. max. max. min. max. max. min. max. max. max. min. max. max.

Snap ring groove Dimensions Snap ring Dimensions Abutment and fillet dimensions

34

Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease

Non-contact Sealed Contact Sealed Low-friction Sealed

Oil

Capped single row deep groove ball bearings

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max. min. max. max. min. max. max. min. max. max. max. min. max. max.

Snap ring groove Dimensions Snap ring Dimensions Abutment and fillet dimensions

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Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease

Non-contact Sealed Contact Sealed Low-friction Sealed

Oil

Capped single row deep groove ball bearings

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max. min. max. max. min. max. max. min. max. max. max. min. max. max.

Snap ring groove Dimensions Snap ring Dimensions Abutment and fillet dimensions

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Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease

Non-contact Sealed Contact Sealed Low-friction Sealed

Oil

Capped single row deep groove ball bearings

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max. min. max. max. min. max. max. min. max. max. max. min. max. max.

Snap ring groove Dimensions Snap ring Dimensions Abutment and fillet dimensions

40

Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease

Non-contact Sealed Contact Sealed Low-friction Sealed

Oil

Capped single row deep groove ball bearings

41

max. min. max. max. min. max. max. min. max. max. max. min. max. max.

Snap ring groove Dimensions Snap ring Dimensions Abutment and fillet dimensions

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Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease Oil

Bearing open

Capped single row deep groove ball bearings

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max. min. max. max. min. max. max. min. max. max. max. min. max. max.

Snap ring groove Dimensions Snap ring Dimensions Abutment and fillet dimensions

44

Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease Oil

Bearing open

Capped single row deep groove ball bearings

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max. min. max. max. min. max. max. min. max. max. max. min. max. max.

Snap ring groove Dimensions Snap ring Dimensions Abutment and fillet dimensions

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Principal dimensions Basic load ratings

Fatigue load limit

Limiting Speeds Mass Designation

dynamic static Grease with a shield on

one side both sides

Oil Bearing open

Single row deep groove ball bearings with filling slots

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min. min. max. max.

Dimensions Snap ring Dimensions

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