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FAG bearing suffix symbol and meaning
2015/4/9 Read in:[1395]

TVH - glass fiber reinforced polyamide self-locking pass entities cage, ball guide. ?

TVP, glass fiber reinforced polyamide window entities cage, ball guide. ?

TVP2 entities - glass fiber reinforced polyamide cage, roller guides. ?

TVPB entities - glass fiber reinforced polyamide cage, inner ring guide (thrust roller bearing shaft guide). ?

TVPB1, window frame, glass fiber reinforced polyamide entity shaft guide (thrust roller bearings). ?

Punching cage

J - stamping steel cage. ?

Jacqueline Nottingham - deep groove ball bearing riveting cage. ?

Maintains a change

Add after the cage code, or inserted in the middle of the cage code number, said cage structure change after. During the transitional period, these figures will only be used for example: NU 1008 to 1 m. ?

Post code - no cage bearing

V - full rolling element bearings. Example: NU 207 v. ?

VT - full with isolation ball or roller rolling element bearings. Example: 51120 n. ?

Post code - tolerance grade (dimensional accuracy and rotation accuracy)

P0, tolerance grade meet the requirements of ISO international standards level 0, code omitted, don't say. ?

P6 - tolerance grade meet the requirements of ISO international standards level 6. ?

P6X - tolerance grade meet the requirements of ISO international standards level 6 tapered roller bearings. ?

P5 - tolerance grade meet the requirements of ISO international standards level 5. ?

P4 - tolerance grade meet the requirements of international standards ISO grade 4. ?

P2 - tolerance grade meet the requirements of ISO international standards level 2 (not including tapered roller bearing). ?

SP - dimensional precision is equivalent to level 5, rotate precision is equivalent to level 4 (double row cylindrical roller bearing). ?

The UP - dimensional precision is equivalent to level 4, rotating accuracy is higher than grade 4 (double row cylindrical roller bearing). ?

HG - dimensional precision is equivalent to level 4, rotating accuracy is higher than the level 4, below the level 2 (spindle bearing). ?

Post code - clearance

C1-1 set of the clearance, less than 2 groups. ?

C2 - clearance conform to the standards stipulated by the two groups, group less than 0. ?

C0 - clearance conform to the standards stipulated by the 0 group, code omitted, don't say. ?

C3 - clearance conform to the standards stipulated by the three groups, group is greater than zero. ?

* * clearance conform to the standards stipulated by the four groups, more than three groups. ?

Of the C5 - clearance 5 groups, more than four groups. ?

Tolerance grade code with clearance code need to be said at the same time, take the tolerance grade code (P0 said) plus clearance number (0 group does not represent) group said. ?

Example: about = P6 + C3, said bearing tolerance grade level P6, radial clearance three groups. ?

P52 = P5 + C2, said bearing tolerance grade level P5, radial clearance of 2 groups. ?

Non-standard clearance, in the special request of radial clearance and axial clearance, the limit should be in the letter R (radial clearance) or A (axial clearance) with mu m number later said the Numbers separated by dots. ?

Example: 6210 R10.20-6210 bearing, radial clearance 10 microns to 20 microns. ?

6212. A120.160-6212 bearing, the axial clearance of 120 microns to 160 microns. ?

Rear code - test the noise of the bearing

F3 - low noise bearings. Mainly refers to the cylindrical roller bearings and inner diameter d > more than 60 mm deep groove ball bearings. Example: 6213. The F3. ?

G - low noise bearings. Mainly refers to the inner diameter d 60 mm or less deep groove ball bearings. Example: 6207 G

Post code - heat treatment

S0 - bearing ring after high temperature tempering process, the working temperature is 150 ℃. ?

S1 - bearing ring after high temperature tempering process, the working temperature is 200 ℃. ?

S2 - bearing ring after high temperature tempering process, the working temperature is 250 ℃. ?

S3 - bearing ring after high temperature tempering process, the working temperature is 300 ℃. ?

S4 - bearing ring after high temperature tempering process, the working temperature is 350 ℃. ?

Post code - special technical conditions

F the & # 8226; The & # 8226; - numbered consecutively manufacturing technology conditions. Example: F80 - bearing inner and outer diameter tolerance and radial clearance compression. ?

K & # 8226; The & # 8226; Check the technical conditions, numbered consecutively. Cases of K5 - bearing inner and outer diameter tolerance compression. ?

ZB - diameter greater than 80 mm above with a crown of roller. Example: the NU 364. ZB. ?

. ZB2 -- -- at the ends of the needle roller crown is greater than the general technical requirements. Example: K18 * 26 * 20 f ZB2.

ZW - double row needle roller and cage assemblies. Example: K20 * 25 * 40 FZW. ?

700 the & # 8226; The & # 8226; The & # 8226; - serial number starting with 700000 technical conditions. ?

Z52JN. 790144 - bearing can be used for high temperature and low speed, by special heat treatment, sheet metal riveting cage, large clearance, after phosphating, grease, use the temperature can exceed 270 ℃. ?

Post code - special technical conditions

KDA - the Split inner ring /; Split inner ring

K - Tapered bore conical hole 1:12

K30, Tapered bore conical hole 1:30

N - circular in the outer ring for the snap ring

S - Lubricating groove and bores in the outer ring

"S" suffix in the new series of E1 has been canceled! Outer ring groove and oil hole has now become the standard configuration. ?

W03B Stainless steel bearing

N2 two retaining troves for fixing the outer ring

Two for outer ring stop stop groove

Post code - bearings and machine tool spindle bearings in pairs

1) in accordance with K technical conditions of bearings in pairs, the following special technical conditions related to bearings in pairs:

K1, the installation of two sets of deep groove ball bearing in pairs and inherit the one-way axial load. ?

K2, the installation of two sets of deep groove ball bearing in pairs and carry two-way axial load. ?

K3, two sets of deep groove ball bearing according to the no clearance installed back-to-back (O). ?

K4, two sets of deep groove ball bearing according to the no clearance face to install (X). ?

K6 - two sets of angular contact ball bearing installed in pairs to withstand a one-way axial load. ?

K7 - two sets of angular contact ball bearing without clearance installed back-to-back (O). ?

K8, two sets of angular contact ball bearing according to the clearance face to face free installation (X)

K9, inner and outer ring with a baffle between the two sets of tapered roller bearing installed in pairs to withstand a one-way axial load. ?

K10/19 dated, inner and outer ring with a baffle between two sets of tapered roller bearing according to the no clearance installed back-to-back (O)

K11, outer ring with a baffle between two sets of tapered roller bearing according to the clearance face to face free installation (X). ?

In pairs or groups configuration bearing, need packaging together delivery, or mark belongs to a pair. Do not swap the different groups of bearing. Installed in bearing, belonging to the same group should be carried out in accordance with the notation and positioning line. If the bearings in pairs according to certain axial or radial clearance volume configuration, its clearance can after K technical conditions according to item (7) in article 1 (2). . For example, 31314 a. K11 A100.140 said two sets of 31314 a single-row tapered roller bearing, installation, face to face with a certain distance between outer ring baffle, front axle bearing assembly to the clearance between 100 microns to 140 microns, the assembly after the clearance is zero. ?

General matching type bearing

Can be arbitrary (series, face to face or back to back) matching installation, rear code-named UA, UO and UL. ?

UA - in bearing face to face or a small axial clearance installed back-to-back. ?

. UO -- -- while bearing face to face or installed back-to-back without clearance. ?

UL - in bearing preloaded. Face to face or a mild installed back-to-back For example, B 7004 c. TPA. P4. K5. UL

Spindle with the contact Angle of 15 o angular contact ball bearing, phenolic laminated tube straight hole solid cage, outer guide, bearing tolerance grade level 4, inner and outer diameter tolerance narrowed, installed in pairs of universal structure, bearing in advance or a mild face-to-face installed back-to-back interference

Post code - spindle bearing

KTPA. HG fabric hand in the pocket hole solid cage, outer guide, HG precision level. TPA. HG. K5. UL fabric hand in the pocket hole solid cage, outer guide, precision grade HG, bearing outside diameter and inside diameter tolerance, installed in pairs of perfect structure, bearing installed in face to face or back to back had mild to interference. ?

TPA. P2. K5. UL fabric hand in the pocket hole solid cage, outer guide, precision grade HG, bearing outside diameter and inside diameter tolerance, installed in pairs of perfect structure, bearing installed in face to face or back to back had mild to interference. ?

TPA. P2 UL fabric hand in the pocket hole solid cage, outer guide, precision grade HG, bearing outside diameter and inside diameter tolerance, installed in pairs of perfect structure, bearing installed in face to face or back to back had mild to interference. ?

Post code - spindle bearing

TPA. P2. K5. UL fabric hand in the pocket hole solid cage, outer guide, precision grade HG, the general structure of the installation in pairs, bearing installed in face to face or back to back had mild to interference. ?

15 "C C coulact Angle/contact Angle. ?

D coulact Angle/contact Angle 25 "C. ?

P4S toerance class P4S. ?

Post code - special symbols

F1

F2

20 a, 20 a, J J

T a, 41 T41B post code on the back of the basic code. When the rear with multiple sets of symbol, rear should be listed in the table according to the bearing code code sequence from left to right. Some post code with basic code is separated by dots. ?

Post code - internal structure

A, B, C, D, E, internal structure change

Example: angular contact ball bearings, 7205 E, 7205 B, 7205 C 15 ° C - contact Angle, E - 25 ° tentacles, B - 40 ° contact Angle. ?

Example: cylindrical roller, spherical roller and thrust self-aligning roller bearing N309

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