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Home>Products>Plain Sleeve & Flanged Bearings>Boston Gear (Altra) B25-4 Plain Sleeve & Flanged Bearings

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Boston Gear (Altra) B25-4 Plain Sleeve & Flanged Bearings

Name: Boston Gear (Altra) B25-4 Plain Sleeve & Flanged Bearings
Brand: Boston Gear (Altra)
SKU: B25-4
Rating: 4.9 (5 reviews)

Boston Gear (Altra) B25-4 Bearing SPECIFICATIONS

How do you 2.50 mm Fillet Radius ra find the Boston Gear (Altra) B25-4 Plain Sleeve & Flanged Bearings 3000 rpm Grease Speed Rating Open/Shielded n1 specification? NTN PRECISION AXLE CORP. Manufacturers Online Free check！
Brand Name:Boston Gear (Altra)
Model Number:
B25-4
Fillet Radius ra:2.50 mm
Grease Speed Rating Open/Shielded n1:3000 rpm
Basic Dynamic Radial Load Rating C:157000 N
Accessories:One Shield & Snap-Ri
d:75.000 mm
B:45.00 mm
Oil Speed Rating Open/Shielded n2:3600 rpm
D:190.0000 mm

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Boston Gear (Altra) B25-4 Plain Sleeve & Flanged Bearings Exchange Guide

Fillet Radius ra:2.50 mm
Grease Speed Rating Open/Shielded n1:3000 rpm
Basic Dynamic Radial Load Rating C:157000 N
Accessories:One Shield & Snap-Ri
d:75.000 mm
B:45.00 mm
Oil Speed Rating Open/Shielded n2:3600 rpm
D:190.0000 mm
Basic Static Radial Load Rating Co:153000 N

Boston Gear (Altra) B25-4 Boston Gear (Altra) B25-4 Plain Sleeve & Flanged Bearings specification

No.	Brand	A	D	K	U	C	H	a	N
AA310007	Bunting Bearings, LLC	-	-	-	-	-	-	-	-
AA1511-07B	Oilite	-	-	-	-	-	-	-	-
CB688056	Bunting Bearings, LLC	-	190.0000 mm	-	-	-	-	-	-
M4050-32	Boston Gear (Altra)	-	-	-	-	-	-	-	-
B1016-4	Boston Gear (Altra)	-	-	-	-	-	-	-	-
EP121528	Bunting Bearings, LLC	-	-	-	-	-	238 mm	-	-
M810-6	Boston Gear (Altra)	-	-	-	-	-	-	-	-
BSF162010	Bunting Bearings, LLC	-	-	-	-	-	-	-	-
M1620-12	Boston Gear (Altra)	-	42.0000 mm	-	-	-	-	-	-
CB152008	Bunting Bearings, LLC	-	340.0000 mm	-	-	-	-	-	-
B710-10	Boston Gear (Altra)	-	-	-	-	-	-	-	-
B612-6	Boston Gear (Altra)	-	-	-	-	-	-	-	-
B1416-10	Boston Gear (Altra)	-	-	-	-	-	-	-	-
FF090108	Bunting Bearings, LLC	-	-	-	-	-	-	-	-
CB182624	Bunting Bearings, LLC	-	-	-	-	-	-	-	-
AA832-12B	Oilite	-	650 mm	-	-	-	-	-	-
CB232934	Bunting Bearings, LLC	-	-	-	-	-	-	-	12.3 mm
B1416-12	Boston Gear (Altra)	-	-	-	-	-	-	-	-
AA2001	Bunting Bearings, LLC	-	-	-	-	-	-	-	-
CB242722	Bunting Bearings, LLC	-	110.0000 mm	-	-	-	-	-	-

Bunting Bearings, LLC EP182132 Plain Sleeve & Flanged Bearings	Calculation factor Y:1.4; B:24 mm; d1 ≈:94.06 mm; Limiting speed:5300 r/min; r1,2 min.:2 mm; Basic dynamic load rating C:155 kN; Calculation factor e:0.43; Reference speed:4300 r/min; da max.:82 mm; T:26.25 mm;
Bunting Bearings, LLC CB232940 Plain Sleeve & Flanged Bearings	J1:117.475 mm; H2:76.2 mm; N1:28.575 mm; Adapter sleeve assembly:SNW 36x6.7/16; J max.:600.075 mm; da:163.512 mm; Stabilizing ring:SR-36-30; Da:319.999 mm; Labyrinth ring:2 x LOR 148; End plug (suffix Y):EPR 19;
Bunting Bearings, LLC CB070910 Plain Sleeve & Flanged Bearings	Basic dynamic load rating C:212 kN; L:304.8 mm; A:76.2 mm; B:65.484 mm; da:74.612 mm; Limiting speed:3400 r/min; J min.:234.95 mm; H2:47.625 mm; H:160.338 mm; Attachment bolt diameter G:19.05 mm;
Boston Gear (Altra) B1215-4 Plain Sleeve & Flanged Bearings	d:12 mm; B:16.5 mm; r, r1,2 min.:0.3 mm; Mass inner ring:0.0081 kg; F:15 mm;
Bunting Bearings, LLC AA100801 Plain Sleeve & Flanged Bearings	db min.:118 mm; Da max.:188 mm; Calculation factor e:0.25; d1:100 mm; B1:105 mm; d3:145 mm; b:8.3 mm; Calculation factor Y0:2.5; r1,2 min.:2.1 mm; Fatigue load limit Pu:63 kN;
Boston Gear (Altra) B1220-10 Plain Sleeve & Flanged Bearings	D:180.0000 mm; B:60.30 mm; Fillet Radius ra:2.00 mm; Accessories:Shield & Seal & Snap; Basic Dynamic Radial Load Rating C:178000 N; Sealed Speed Rating n3:2000 rpm; Basic Static Radial Load Rating Co:166000 N; Grease Speed Rating n1:2000 rpm; d:100.000 mm; Oil Speed Rating n2:3000 rpm;
Bunting Bearings, LLC CB081318 Plain Sleeve & Flanged Bearings	G:109.855 mm; d:110 mm; B:20.091 mm; Threads per inch:12; B4:23.012 mm; Hydraulic nut:HMVC 22E; d1:96.838 mm; d3 max.:145.39 mm; Lock nut:AN 22; Sleeve:S 22x3.13/16;
Bunting Bearings, LLC CB242722 Plain Sleeve & Flanged Bearings	d:50.000 mm; Basic Dynamic Radial Load Rating C:43600 N; Oil Speed Rating n2:6700 rpm; B:27.00 mm; Grease Speed Rating n1:5600 rpm; Fillet Radius ra:2.00 mm; Basic Static Radial Load Rating Co:14000 N; D:110.0000 mm;
Bunting Bearings, LLC EP263040 Plain Sleeve & Flanged Bearings	Mass bearing + sleeve:1730 kg; B2 ≈:478 mm; Calculation factor Y0:1.8; B:412 mm; d2 ≈:782 mm; Calculation factor e:0.37; Reference speed:180 r/min; Basic static load rating C0:29000 kN; K:12 mm; ra max.:6 mm;
Bunting Bearings, LLC CB101520 Plain Sleeve & Flanged Bearings	Sealed Speed Rating n3:1900 rpm; Accessories:Two Seals; Fillet Radius ra:3.00 mm; Grease Speed Rating Open/Shielded n1:2700 rpm; Oil Speed Rating Open/Shielded n2:3300 rpm; d:95.000 mm; D:250.0000 mm; B:55.00 mm; Basic Dynamic Radial Load Rating C:203000 N; Basic Static Radial Load Rating Co:173000 N;
Bunting Bearings, LLC FF041104 Plain Sleeve & Flanged Bearings	D:140 mm; b:4 mm; db min.:92 mm; Calculation factor Y2:2.3; Mass bearing pair:4.39 kg; r5 min.:0.6 mm; r1,2 min.:2.5 mm; a:67.608 mm; Db min.:134 mm; ra max.:2.5 mm;
Bunting Bearings, LLC CB172220 Plain Sleeve & Flanged Bearings	Reference speed:850 r/min; Basic dynamic load rating C:260 kN; d1 ≈:477 mm; Basic static load rating C0:1630 kN; H:48 mm; r1,2 min.:2 mm; da min.:446 mm; D1 ≈:403 mm; d:400 mm; Mass bearing (including seat washer where applicable):16.5 kg;
Bunting Bearings, LLC CB435132 Plain Sleeve & Flanged Bearings	Number of balls z:23; Preload class D GD:960 N; Calculation factor f2B:1.04; Static axial stiffness, preload class D:282 N/µm; Preload class A GA:120 N; D1:72.3 mm; Basic dynamic load rating C:18.2 kN; Calculation factor (back-to-back, face-to-face) Y1:0.92; Static axial stiffness, preload class B:161 N/µm; Calculation factor f2C:1.08;
Boston Gear (Altra) P1620-6 Plain Sleeve & Flanged Bearings	d:190 mm; d3:240 mm; B4:30.5 mm; d1:171.45 mm; B1:141 mm; Mass adapter sleeve assembly:10 kg; Locking device:MB 38; B:28 mm; G:M 190x3; Hydraulic nut:HMV 38 E;
Boston Gear (Altra) B2026-12 Plain Sleeve & Flanged Bearings	Mass plain bearing:1653 kg; M:15 mm; α:3 °; da max.:1074 mm; b1:40 mm; rb max.:7.5 mm; Specific static load factor K0:120 N/mm²; Design (sliding contact surface combination):Steel/PTFE FRP; Da max.:1287 mm; Basic static load rating C0:40000 kN;
Bunting Bearings, LLC ET0813 Plain Sleeve & Flanged Bearings	Angle between bolts and thread holes α/2:22.5 °; Mass bearing:1.72 kg; Fatigue load limit Pu:4.3 kN; D:100 mm; D2:64.7 mm; Da max.:64 mm; Required attachment bolt size (DIN 912):M8; r3,4 min.:0.6 mm; d:30 mm; d2:48.7 mm;

Boston Gear (Altra) B25-4 Plain Sleeve & Flanged Bearings Video

Boston Gear (Altra) B25-4 INTERCHANGE

Plain Sleeve & Flanged Bearings Part series B25-4 is a potential replacement for these common bearing part numbers:

NSKB25-4
SKFB25-4
NTNB25-4
FAGB25-4
TIMKENB25-4
KOYOB25-4
NACHIB25-4
DODGEB25-4

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NTN PRECISION AXLE CORP.: Address808 Kimberly Drive, Carol Stream, Illinois U.S.A.; Phone(Working Time)630-690-9600; Fax

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