WL 2008 E

Nadella S.p.a.

2008

NADELLA Nadellager

Needle Bearings

WL 2008 E

䉴 NEEDLE BEARINGS 2008

© NADELLA 2008

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PRINCIPAL UNITS

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NEEDLE BUSHES

BEARINGS WITH CAGE GUIDED NEEDLES

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7 TECHNICAL INFORMATION

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Coeffizient ␥ for formula 4) page 65 Coeffizient K for formula 1) page 65

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TABLES

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SYMBOLS A

Page 63

AIG

Needle.

AR ARNB ARNBT ARZ

Roller thrust bearing - one retained plate. Precision combined bearing with adjustable preload using roller thrust bearings. Combined bearing ARNB with screw locations. Roller thrust bearing - two retained plates.

97 129 129 97

AX AXJ AXNA

Needle thrust bearing - one retained plate. Special needle thrust bearing for high speed. Precision combined bearing with adjustable preload using needle thrust bearings

97 98 129

AXNAT AXNB AXNBT AXZ

Combined bearing AXNA with screw locations. Precision combined bearing with adjustable preload using needle thrust bearings. Combined bearing AXNB with screw locations. Needle thrust bearing -two retained plates.

129 129 129 97

B BB

Needle cage, one-piece with one row of needles. Needle cage, one-piece with two rows of needles. Convex outer diameter for RNA 11 000 series cam followers. Cylindrical inner ring with lubrication holes for full complement needle bearings type RNA. Wide cylindrical inner ring with lubrication holes for full complement needle bearings type RNA 1000, 2000 and 3000 series. Wide cylindrical inner ring without lubrication hole for full complement needle bearings type RNA 1000, 2000 and 3000 series. Wide cylindrical inner ring without lubrication hole for full complement needle bearings type RNA 1000 series. Full complement needle bearing type NA with special convex inner ring. Caged needle bush, closed-end, according to ISO tolerances. Needle roller with flat ends. Needle roller with round ends.

B ...B6 BIC BICG BIG-BIK BIP ...BIR BK ...BP ...BR

71 149 149 149 149 52 25 63 63

C … C2, C3, C4, C5

CPN CPR CPT

Radial play groups for complete bearings with inner rings. Needle bush closed-end with full complement grease retained needles. Plate for needle thrust bearing, roller thrust bearing (light series) and combined bearing. Plate, machine-tool quality. Plate for roller thrust bearing (heavy series) and 812 series. Overthick thrust plate.

DB DBF DBFH DBH

Caged needle bush, open. Caged needle bush, closed-end. Needle bush DBF with lubrication hole. Needle bush DB with lubrication hole.

25 25 25 25

DG, DGX®

High precision needle roller bearing with adjustable play. Needle roller bearing with convex outer ring. Deltaflex bearing for steering column.

51 -

DL DLF DLFH DLH

Full complement needle bush, open. Full complement needle bush, closed-end. Needle bush DLF with lubrication hole. Needle bush DL with lubrication hole.

25 25 25 25

CN, CNS CP

38 25 -

D

… DELTA … DER

E

ET

Seal incorporated one side. Seals incorporated on two sides Metal seals incorporated on two sides Sealing ring.

25 71 71 143

155

SYMBOLS

…E ... EE ... EEM

F

Page 71 71 71

FG FGL FGU ...FGUL

Cam follower with non-separable outer and inner rings. Convex outer ring. Cam follower with non-separable outer and inner rings. Cylindrical outer ring. Roller cam follower.

GC GCL GCR

Cam follower with stud. Convex outer ring. Cam follower with stud. Cylindrical outer ring. Eccentric cam follower with stud. Convex outer ring.

71 71 71

GCRL GCU-GCUL GCUR GCURL

Eccentric cam follower with stud. Cylindrical outer ring. Roller cam follower. Eccentric roller cam follower with stud. Convex Outer Ring Eccentric roller cam follower with stud. Cylindrical Outer Ring

71 71 71 71

GN

Grease nipple for cam follower with stud.

74

HK Hm

Caged needle bush, open, according to ISO tolerances. Nut for cam follower with stud. Stabilisation heat treatment for high temperature.

G

H ... HT 1, 2, 3, 4

25 74 12

I IM IMC

Cylindrical inner ring. Cylindrical inner ring with lubrication hole.

JL JLF JLFH JLH

Full complement needle bushes, open, inch dimensions. Full complement needle bush, closed-end, inch dimensions. Needle bush JLF with lubrication hole. Needle bush FL with lubrication hole.

MB MBB

Needle cage two-piece with one row of needles. Needle cage two-piece with two rows of needles.

NA NAR NAW NB NBI

Full complement or caged needle bearing with inner ring. Full complement self-aligning needle roller bearing, with inner ring. Full complement inverted bearing. Caged needle bearing without inner ring. Caged needle bearing with inner ring.

NE NG NH

Special product, deep drawn raceway. Special product, tooled race~ay. Special product, both types raceway.

OB

Plug for cam follower with stud.

145 145

J 25 25 25 25

M -

N 51 – 37 37 – – –

O 74

P …P … P6, P5, P4 PM PMH

156

Needle bush DB, DL and derivatives, or inner rings 1M and IMC, according to ISO tolerances. Precision tolerance codes for inner and outer rings. Intermediate plate for needle or roller thrust bearing, light series. Intermediate plate with lubrication hole for needle or roller thrust bearing, light series.

25 38 -

R … R6

Convex inner ring raceway.

Page 52

RAX 400 RAX 500 RAX 700® RAX 700®

Combined bearing with needle thrust cage. Combined bearing with roller thrust cage. Combined bearing with thin outer ring, open. Combined bearing with thin outer ring, closed- end.

111 111 111 111

RAXN 400, 500 RAXNPZ 400, 500 RAXNTZ 400 RAXPZ 400 RAXTZ 400 RAXZ 500

Combined bearing, machine-tool quality. Combined bearing RAXN 400 or RAXN 500 with retained thrust plate. Combined bearing RAXN 400 with retained thrust plate. Combined bearing RAX 400 with retained thrust plate. Combined bearing RAX 400 with retained thrust plate. Combined bearing RAX 500 with retained thrust plate.

112 112 112 112 123 111

RNA RNAB RNAL RNAR

Full complement or cages needle bearing without inner ring. Cam follower 11 000 series, outer diameter crowned greater than ...86. Cam follower 11 000 series, cylindrical outer ring. Full complement self-aligning needle roller bearing, without inner ring.

RT

Adjustment spring for Delta bearing.

51 71 71 -

S (...s/Bi) … SGT SL

Old symbol for full complement bearing without inner ring. Replaced by RNA. Needle bearing without lubrication groove and hole in outer ring. Full complement needle bush, grease retained needles, open.

51 51 25

T … TA … TB … TC

Radial play, precision applications. Radial play, selected from lower half of standard tolerance. Radial play, selected from upper half of standard tolerance. … TS Special radial play for conditions of expansion.

… ZS

Reduced radial play for special conditions.

38–53 38–53 38–53 55

Z 38

157

Notice

WL 2008 E

Nadella S.p.a.

2008

NADELLA Nadellager

Needle Bearings

WL 2008 E